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Aerial view of St. Mary's High School
Aerial imagery: U.S. Geological Survey (public domain). USGS

Catholic high school

St. Mary's High School

  • LocationStockton, CA
  • Type and sizeDiocesan school · Grades 9–12 · 840 students
  • SponsorOblates of St. Francis de Sales
Official website
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Saint Mary's High School is a Catholic college preparatory school in Stockton, California, administered by the Oblates of St. Francis de Sales since 1970. The school holds monthly school liturgies, a Mass on the first Friday of each month with all-day Exposition and Adoration, and lists a chaplain on its Spiritual Life page. Students take four years of theology and complete 60 hours of Christian service to graduate.

Mass, confession, and adoration

Confirm with the parish

Mass 1

  • Friday7:00 AMSaint Mary's campus Chapel · First Friday of each month, September to May.

Times come only from official parish, chaplaincy, or school pages, and can change with the season. Last verified Oct. 12, 2026.

Sources for these times (1)
  1. Worship & Prayer | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/worship · verified Oct. 12, 2026
    “Campus Ministry students also attend the 7 am Mass every First Friday”
    A 7:00 AM Mass is held on the first Friday of each month.

Catholic churches nearby

Map of St. Mary's High School, its Catholic center and nearby Catholic churches1 mi2 mi3 miSaint Lukes Roman Catholic Church: 1.4 mi1Cathedral of the Annunciation: 2.9 mi2Saint Mary's Campus Ministry office and Chapel: 0.2 miSt. Mary's High School (campus)N2 mi
CampusCatholic centerCatholic church (numbered below)Open a street map ›
  1. Saint Lukes Roman Catholic Church — 1.4 mi
  2. Cathedral of the Annunciation — 2.9 mi · 400 West Rose Street, Stockton

Within 3 miles, as mapped by OpenStreetMap contributors. The map may be incomplete. Confirm with the parish or diocese.

Faith scorecard

Each line is one thing we looked for. A check means yes, a half means partly, a dash means no. “Not enough information” means official sources did not say.

BSacramental life: Good (grade B): 70 to 100 points out of 100 on what official sources document. Grades need sources for at least 60% of the checklist.

Sacramental life

85 of 100 points on what we could document.

  • Partly: the school meets some of this item and earns part of the points.
    All-school or class Masses during the school yearMonthly (The Campus Ministry page describes monthly school liturgies, and the Worship page says the entire student body and all staff attend school-wide Masses.)
    Sources (2)
    1. Campus Ministry | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/campusministry · verified Oct. 12, 2026
      “plans and implements class retreats, monthly school liturgies”
      Campus Ministry plans monthly school liturgies and class retreats.
    2. Worship & Prayer | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/worship · verified Oct. 12, 2026
      “the entire student body and all staff attend”
      School-wide Masses are held several times a year, and the entire student body and staff attend.
  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    Daily Mass available to students on campusNot enough information: not found in official sources.
  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    Confession offered to students during the school yearNot enough information: not found in official sources.
  • Yes: the school meets this item and earns its full points.
    Eucharistic adoration offeredRegularly (monthly or more) (All-day Exposition and Adoration is offered on the first Friday of each month in the Chapel.)
    Sources (1)
    1. Worship & Prayer | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/worship · verified Oct. 12, 2026
      “offers all-day Exposition and Adoration of the Blessed Sacrament in the Chapel”
      All-day Exposition and Adoration is offered on the first Friday of each month in the Chapel.
  • Yes: the school meets this item and earns its full points.
    Priest chaplain serving the schoolYes (Fr. Mathew Issac, O.S.F.S is listed as Chaplain on the Spiritual Life page.)
    Sources (1)
    1. Spiritual Life | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/spirituallife · verified Oct. 12, 2026
      “Fr. Mathew Issac, O.S.F.S Chaplain”
      Fr. Mathew Issac, O.S.F.S is the school Chaplain.
ATheology and curriculum: Strong (grade A): 85 to 100 points out of 100 on what official sources document. Grades need sources for at least 60% of the checklist.

Theology and curriculum

100 of 100 points on what we could document.

  • Yes: the school meets this item and earns its full points.
    Years of theology or religion requiredFour years (The catalog requires four years (40 credits) of theology to graduate. Theology courses are listed for grades 9 through 12.)
    Sources (1)
    1. Course Catalog | Saint Mary's High Schooldocs.google.com/document/d/e/2PACX-1vRzl8QvK-BFehD1ztKjrwuHD0gyb29znGPR6LAb2Xd2saeAE7oO4JABt_v-Cy8osAj5uoQrceGj7Q69/pub?embedded=true · verified Oct. 12, 2026
      “Four years (40 credits) of theology are required to graduate from Saint Mary”
      The catalog requires four years of theology for graduation.
  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    Theology courses follow the USCCB Curriculum FrameworkNot enough information: not found in official sources.
  • Yes: the school meets this item and earns its full points.
    Philosophy, apologetics, or ethics course offeredYes (The Catholic Apologetics course is listed as new for 2026-27. It is an elective and does not replace the required theology courses.)
    Sources (1)
    1. Course Catalog | Saint Mary's High Schooldocs.google.com/document/d/e/2PACX-1vRzl8QvK-BFehD1ztKjrwuHD0gyb29znGPR6LAb2Xd2saeAE7oO4JABt_v-Cy8osAj5uoQrceGj7Q69/pub?embedded=true · verified Oct. 12, 2026
      “Course Title: Catholic Apologetics (New for 2026-27)”
      The catalog lists a Catholic Apologetics course for 2026-27 that is an elective.
  • Yes: the school meets this item and earns its full points.
    Faith integrated across the curriculum (stated in the program of studies or mission)Yes (The catalog's student outcomes state that students integrate the teachings of Jesus Christ and the Catholic Church into daily life.)
    Sources (1)
    1. Course Catalog | Saint Mary's High Schooldocs.google.com/document/d/e/2PACX-1vRzl8QvK-BFehD1ztKjrwuHD0gyb29znGPR6LAb2Xd2saeAE7oO4JABt_v-Cy8osAj5uoQrceGj7Q69/pub?embedded=true · verified Oct. 12, 2026
      “integrate the message and teachings of Jesus Christ, the Catholic Church and Saint Francis de Sales into their daily lives”
      The catalog's student spirituality outcome states that students integrate Catholic teaching into daily life.
ACampus culture: Strong (grade A): 85 to 100 points out of 100 on what official sources document. Grades need sources for at least 60% of the checklist.

Campus culture

100 of 100 points on what we could document.

  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    RetreatsNot enough information: not found in official sources.
  • Yes: the school meets this item and earns its full points.
    Campus ministry staffTwo or more (Two campus ministry staff are listed: the Director of Campus Ministry and the Chaplain.)
    Sources (1)
    1. Spiritual Life | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/spirituallife · verified Oct. 12, 2026
      “Gabriel Casillas Director of Campus Ministry”
      Gabriel Casillas is the Director of Campus Ministry.
      “Fr. Mathew Issac, O.S.F.S Chaplain”
      Fr. Mathew Issac, O.S.F.S is the school Chaplain.
  • Yes: the school meets this item and earns its full points.
    Faith-based student groups or clubsTwo or more (The Spiritual Clubs page lists the Respect Life Club, the Apologetics Before College Club, the Discernment Club and the Campus Ministry Core Team.)
    Sources (1)
    1. Spiritual Clubs | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/spiritualclubs · verified Oct. 12, 2026
      “Members are given the opportunity to take part in the annual West Coast Walk for Life”
      The Respect Life Club takes part in the annual West Coast Walk for Life and educates about human life.
      “The Apologetics Before College Club is a student club dedicated to helping students understand, defend, and live their Catholic faith with confidence.”
      The Apologetics Before College Club is a student club for Catholic faith formation.
  • Yes: the school meets this item and earns its full points.
    Daily prayer and liturgical life built into the school dayYes (Morning announcements begin with prayer and every class begins with the Direction of Intention.)
    Sources (1)
    1. Worship & Prayer | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/worship · verified Oct. 12, 2026
      “every class on campus begins in prayer with the Direction of Intention”
      Every class begins with a prayer of intention, and morning announcements begin with prayer.
AService and Catholic social teaching: Strong (grade A): 85 to 100 points out of 100 on what official sources document. Grades need sources for at least 60% of the checklist.

Service and Catholic social teaching

100 of 100 points on what we could document.

  • Yes: the school meets this item and earns its full points.
    Required service hours40 or more hours over four years (Required service is 10 hours as a freshman, 20 as a sophomore, 20 as a junior and 10 as a senior, which totals 60 hours.)
    Sources (1)
    1. Christian Service | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/service · verified Oct. 12, 2026
      “60 hours of service completed to participate in graduation, 10 hours during Freshman year, 20 hours during Sophomore year, 20 hours during Junior year, and 10 hours during Senior year”
      The Christian Service requirement is 60 hours, set by grade.
  • Yes: the school meets this item and earns its full points.
    Catholic social teaching taught in theology coursesYes (The Social Justice course is a theology department course for grade 12. Its catalog description introduces the Church's social teaching. The catalog graduation table lists Church History/Social Justice.)
    Sources (1)
    1. Course Catalog | Saint Mary's High Schooldocs.google.com/document/d/e/2PACX-1vRzl8QvK-BFehD1ztKjrwuHD0gyb29znGPR6LAb2Xd2saeAE7oO4JABt_v-Cy8osAj5uoQrceGj7Q69/pub?embedded=true · verified Oct. 12, 2026
      “introduce the students to the Church's social teaching”
      The Social Justice course introduces students to the Church's social teaching.
      “Course Title: Social Justice Course Number: 0443”
      The Social Justice course is a Theology department course offered in grade 12.
  • Yes: the school meets this item and earns its full points.
    Pro-life engagement (club, March for Life, or similar)Yes (The Respect Life Club is described as educating about human life and taking part in the annual West Coast Walk for Life.)
    Sources (1)
    1. Spiritual Clubs | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/spiritualclubs · verified Oct. 12, 2026
      “Members are given the opportunity to take part in the annual West Coast Walk for Life”
      The Respect Life Club takes part in the annual West Coast Walk for Life and educates about human life.
  • Yes: the school meets this item and earns its full points.
    Justice and solidarity programs (immersions, service trips, justice clubs)Yes (The CROP Club runs an organic garden and drives that support Catholic Charities. Christian service is required for graduation.)
    Sources (1)
    1. Spiritual Clubs | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/spiritualclubs · verified Oct. 12, 2026
      “supplies fresh produce to Catholic Charities every week”
      The CROP Club grows produce for Catholic Charities and runs food and clothing drives.

Grades come from the documented indicators under the published rubric. “Not enough information” does not mean the school lacks it.

Strengths

  • A chaplain is listed on the Spiritual Life page, and a Mass is celebrated on the first Friday of each month with all-day Exposition and Adoration.
    Sources (2)
    1. Spiritual Life | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/spirituallife · verified Oct. 12, 2026
      “Fr. Mathew Issac, O.S.F.S Chaplain”
      Fr. Mathew Issac, O.S.F.S is the school Chaplain.
    2. Worship & Prayer | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/worship · verified Oct. 12, 2026
      “offers all-day Exposition and Adoration of the Blessed Sacrament in the Chapel”
      All-day Exposition and Adoration is offered on the first Friday of each month in the Chapel.
  • Four years of theology are required for graduation, and the catalog lists a 12th-grade Social Justice course based on the Church's social teaching.
    Sources (1)
    1. Course Catalog | Saint Mary's High Schooldocs.google.com/document/d/e/2PACX-1vRzl8QvK-BFehD1ztKjrwuHD0gyb29znGPR6LAb2Xd2saeAE7oO4JABt_v-Cy8osAj5uoQrceGj7Q69/pub?embedded=true · verified Oct. 12, 2026
      “Four years (40 credits) of theology are required to graduate from Saint Mary”
      The catalog requires four years of theology for graduation.
      “introduce the students to the Church's social teaching”
      The Social Justice course introduces students to the Church's social teaching.
  • Christian service is required, totaling 60 hours across four years.
    Sources (1)
    1. Christian Service | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/service · verified Oct. 12, 2026
      “60 hours of service completed to participate in graduation, 10 hours during Freshman year, 20 hours during Sophomore year, 20 hours during Junior year, and 10 hours during Senior year”
      The Christian Service requirement is 60 hours, set by grade.

Concerns

  • Campus Ministry says it plans class retreats.
    Sources (1)
    1. Campus Ministry | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/campusministry · verified Oct. 12, 2026
      “plans and implements class retreats, monthly school liturgies”
      Campus Ministry plans monthly school liturgies and class retreats.

Know something we missed? Suggest a correction.

Campus ministry home

Saint Mary's Campus Ministry office and Chapel

  • Address: 5648 N El Dorado Street, Stockton, CA 95207
  • Location: On campus
  • Facilities: chapel

View on map ↗

Source: saintmaryshighschool.org, verified Oct. 12, 2026, saintmaryshighschool.org, verified Oct. 12, 2026

Catholic clubs and student life

8 groups and regular activities · 2 on campus, 1 off campus, 5 location not published

Retreats 1

  • Salesian Leadership CampOff campus
    Seven days, for incoming seniors selected as Salesian Leaders
    A seven-day leadership retreat at Vineyard Lake in Brooklyn, Michigan, with other Oblate and Visitation schools.
    saintmaryshighschool.org

Liturgy and prayer 2

  • First Friday Mass and AdorationOn campus
    First Friday of each month
    A 7:00 AM Mass followed by all-day Exposition and Adoration in the Chapel.
    saintmaryshighschool.org, saintmaryshighschool.org
  • Wednesday Rosary at the statue of MaryOn campus
    Wednesdays, beginning 7:54 AM
    Students, faculty and staff pray a decade of the Rosary around the statue of Mary.
    saintmaryshighschool.org

Faith formation 3

  • Apologetics Before College Club
    Helps students understand, defend and live their Catholic faith.
    saintmaryshighschool.org
  • Discernment Club
    A confidential space for students to explore questions of vocation, moderated by Fr. Mathew Issac.
    saintmaryshighschool.org
  • Campus Ministry Core Team
    Weekly
    A small group of juniors and seniors that meets weekly for faith formation and leadership.
    saintmaryshighschool.org

Clubs and groups 1

  • Respect Life Club
    Annual Walk for Life
    Prays the rosary, volunteers, takes part in the annual West Coast Walk for Life, and fundraises for supplies.
    saintmaryshighschool.org

Service 1

  • CROP Club (Christian Relief Outreach Project)
    Grows an organic garden for Catholic Charities and runs clothing, canned food and peanut butter drives.
    saintmaryshighschool.org

Everything listed is published by the school, its campus ministry, or the parish. Ask the campus minister what’s happening this semester.

Campus ministry

Sources (4)
  1. Campus Ministry | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/campusministry · verified Oct. 12, 2026
    “plans and implements class retreats, monthly school liturgies”
    Campus Ministry plans monthly school liturgies and class retreats.
  2. Spiritual Life | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/spirituallife · verified Oct. 12, 2026
    “Gabriel Casillas Director of Campus Ministry”
    Gabriel Casillas is the Director of Campus Ministry.
  3. Saint Mary's High Schoolsaintmaryshighschool.org · verified Oct. 12, 2026
    “5648 N El Dorado Street, Stockton, CA 95207”
    The school's published address.
  4. Worship & Prayer | Saint Mary's High Schoolsaintmaryshighschool.org/apps/pages/worship · verified Oct. 12, 2026
    “offers all-day Exposition and Adoration of the Blessed Sacrament in the Chapel”
    All-day Exposition and Adoration is offered on the first Friday of each month in the Chapel.

Reach out

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Academic Excellence

CAcademic Excellence: Mixed (grade C): 55 to 100 points out of 100 on what official sources document. Grades need sources for at least 60% of the checklist.
69 of 100
From federal data, on fixed published scales.

Each measure counts for the share shown.

  • Graduates going to four-year colleges 75% of scoreThis measure counts for 75% of the Academic Excellence score.90%
  • Students per teacher 25% of scoreThis measure counts for 25% of the Academic Excellence score.14.0 to 1

Bars show points on each measure’s scale. How Academic Excellence is computed. Federal data on private high schools is limited to these two measures.

Source: NCES Private School Survey (2023–24 school year)

School facts

TypeDiocesan school
DioceseDiocese of Stockton, CA
Grades9–12
Students (all grades)840
Students in grades 9–12840
Coed or single-sexCoed
Student–teacher ratio14.0 to 1
Graduates going to 4-year colleges90%
SettingCity

Source: NCES Private School Survey 23-24 public-use file (school year 2023–24). The college-going rate and student–teacher ratio feed Academic Excellence; nothing here changes the faith grades.

Local Church

Diocese of Stockton

The Most Reverend Myron J. Cotta, Bishop of Stockton

Formal address: “Your Excellency”

Source: usccb.org, verified Oct. 7, 2026.

About this school’s data

Questions families ask

Is St. Mary's High School a Catholic high school?
Yes. St. Mary's High School is a Catholic high school in the Diocese of Stockton. Its sponsor is Oblates of St. Francis de Sales.
What is St. Mary's High School’s Compass Score?
89 out of 100 (grade A). It combines faith (75%) and academics (25%), each rated from official sources.
Where is Mass celebrated at St. Mary's High School?
Mass is listed at Saint Mary's campus Chapel. Days and times are on this page; please confirm with the parish or campus ministry before you go.
Is St. Mary's High School Compass Recommended?
Yes. St. Mary's High School meets the Compass Recommended standard for Catholic identity and academics.

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