Catholic School CompassTrue north for Catholic families.
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

  • LocationManhasset, NY
  • Type and sizeParish school · Grades 9–12 · 329 students
Official website
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St. Mary's College Preparatory High School is a private Catholic school for grades 9 to 12 at 51 Clapham Avenue in Manhasset, New York. The school says its Catholic faith is its first pillar. Its pages list a high school chaplain, Dominican Sisters who teach theology, monthly celebrations of Mass, weekly confession and weekly Eucharistic Adoration. Students take theology all four years, each class has an annual retreat, and faith-based clubs include a Bible Studies Club and Eucharistic Ministers.

Catholic churches nearby

Map of St. Mary's High School, its Catholic center and nearby Catholic churches1 mi2 mi3 miChurch of Saint Mary: 0.1 mi1Saint Aloysius Roman Catholic Church: 2.1 mi2Saint Anastasia Roman Catholic Church: 2.8 mi3Notre Dame Roman Catholic Church: 2.9 mi4Church of Saint Mary's: 3.0 mi5Campus Ministry, St. Mary's High School: 0.1 miSt. Mary's High School (campus)N2 mi
CampusCatholic centerCatholic church (numbered below)Open a street map ›
  1. Church of Saint Mary — 0.1 mi · 1310 Northern Boulevard, Manhasset
  2. Saint Aloysius Roman Catholic Church — 2.1 mi · 592 Middle Neck Road, Great Neck
  3. Saint Anastasia Roman Catholic Church — 2.8 mi · 45-05 245th Street
  4. Notre Dame Roman Catholic Church — 2.9 mi
  5. Church of Saint Mary's — 3.0 mi · 100 Bryant Avenue, Roslyn

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.

ASacramental life: 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.

Sacramental life

88 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 school lists monthly celebrations of Mass as part of its program for students.)
    Sources (1)
    1. Our Catholic Faith | St. Mary's High Schoolsaintmaryshs.org/catholic-life/our-catholic-faith · verified Oct. 12, 2026
      “Reverent and worthy monthly celebrations of Mass”
      The school lists monthly celebrations of Mass.
      “A liturgical year of celebrations curated specifically for our student body”
      The school plans a liturgical year of celebrations for its students.
  • 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.
  • Yes: the school meets this item and earns its full points.
    Confession offered to students during the school yearMonthly or more often (Weekly opportunities for confession are listed.)
    Sources (1)
    1. Our Catholic Faith | St. Mary's High Schoolsaintmaryshs.org/catholic-life/our-catholic-faith · verified Oct. 12, 2026
      “Weekly opportunities for Confession.”
      Confession is offered weekly.
  • Yes: the school meets this item and earns its full points.
    Eucharistic adoration offeredRegularly (monthly or more) (Weekly visits to the Blessed Sacrament for Eucharistic Adoration are listed.)
    Sources (1)
    1. Our Catholic Faith | St. Mary's High Schoolsaintmaryshs.org/catholic-life/our-catholic-faith · verified Oct. 12, 2026
      “Weekly visits to the Blessed Sacrament for Eucharistic Adoration and personal prayer.”
      Eucharistic Adoration is offered weekly.
  • Yes: the school meets this item and earns its full points.
    Priest chaplain serving the schoolYes (Rev. Fr. Stephen Rooney is listed as the school's chaplain.)
    Sources (1)
    1. Faculty and Staff Directory | St. Mary's High Schoolsaintmaryshs.org/about-us/faculty-and-staff-directory · verified Oct. 12, 2026
      “Rev. Fr. Stephen Rooney Chaplain”
      Rev. Fr. Stephen Rooney is listed as the school's 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 (Each student takes four years of study in theology, as listed in the school's curriculum.)
    Sources (2)
    1. Our Curriculum | St. Mary's High Schoolsaintmaryshs.org/academics/our-curriculum · verified Oct. 12, 2026
      “Each student enrolls in four years of study in Mathematics, Science, English, Social Studies, Physical Education and Theology”
      Every student takes theology for four years.
    2. Our Catholic Faith | St. Mary's High Schoolsaintmaryshs.org/catholic-life/our-catholic-faith · verified Oct. 12, 2026
      “Four years of catechetical and theological education”
      The school provides four years of catechetical and theological education.
  • 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.
  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    Philosophy, apologetics, or ethics course offeredNot enough information: not found in official sources.
  • 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 (Stated in the program description: a curriculum anchored in faith.)
    Sources (1)
    1. Our Curriculum | St. Mary's High Schoolsaintmaryshs.org/academics/our-curriculum · verified Oct. 12, 2026
      “The academic program emphasizes a rich and broad curriculum anchored in faith, the arts, sciences and humanities.”
      The academic program is anchored in faith.
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

87 of 100 points on what we could document.

  • Yes: the school meets this item and earns its full points.
    RetreatsA retreat for every grade (Retreats are available to students in each grade, and each class has an annual Spiritual Retreat.)
    Sources (1)
    1. Campus Ministry | St. Mary's High Schoolsaintmaryshs.org/catholic-life/campus-ministry · verified Oct. 12, 2026
      “Each class has opportunities for annual Spiritual Retreats organized by the Campus Ministry Centre and the school chaplain.”
      Each class has an annual Spiritual Retreat, organized by the Campus Ministry Centre and the school chaplain.
      “Day and weekend retreats are available to students in each grade.”
      Retreats are available to students in each grade.
  • Partly: the school meets some of this item and earns part of the points.
    Campus ministry staffOne (One ministry leader is named: the school chaplain. Dominican Sisters are listed as teachers and in ministry.)
    Sources (2)
    1. Faculty and Staff Directory | St. Mary's High Schoolsaintmaryshs.org/about-us/faculty-and-staff-directory · verified Oct. 12, 2026
      “Rev. Fr. Stephen Rooney Chaplain”
      Rev. Fr. Stephen Rooney is listed as the school's chaplain.
    2. Our Catholic Faith | St. Mary's High Schoolsaintmaryshs.org/catholic-life/our-catholic-faith · verified Oct. 12, 2026
      “Witness and ministry of the Dominican Sisters of Mary, Mother of the Eucharist”
      The Dominican Sisters of Mary, Mother of the Eucharist are part of the school's Catholic life.
  • Yes: the school meets this item and earns its full points.
    Faith-based student groups or clubsTwo or more (Faith-based student groups listed include the Bible Studies Club, Eucharistic Ministers, Retreat Leaders and Senior Shepherds.)
    Sources (1)
    1. Extracurricular Activities | St. Mary's High Schoolsaintmaryshs.org/student-life/extracurricular-activities · verified Oct. 12, 2026
      “Bible Studies Club Book Club”
      A Bible Studies Club is among the listed student clubs.
      “Eucharistic Ministers Fitness Club”
      Eucharistic Ministers is among the listed student groups.
  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    Daily prayer and liturgical life built into the school dayNot enough information: not found in official sources.
N/AService and Catholic social teaching: Not enough information. Official sources do not cover enough of this to grade it yet.

Service and Catholic social teaching

Not enough information: official sources cover less than 60% of this area.

  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    Required service hoursNot 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.
    Catholic social teaching taught in theology coursesNot 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.
    Pro-life engagement (club, March for Life, or similar)Not 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.
    Justice and solidarity programs (immersions, service trips, justice clubs)Not enough information: not found in official sources.

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

Strengths

  • Students take theology for four years, and each class has an annual retreat.
    Sources (2)
    1. Our Curriculum | St. Mary's High Schoolsaintmaryshs.org/academics/our-curriculum · verified Oct. 12, 2026
      “Each student enrolls in four years of study in Mathematics, Science, English, Social Studies, Physical Education and Theology”
      Every student takes theology for four years.
    2. Campus Ministry | St. Mary's High Schoolsaintmaryshs.org/catholic-life/campus-ministry · verified Oct. 12, 2026
      “Each class has opportunities for annual Spiritual Retreats organized by the Campus Ministry Centre and the school chaplain.”
      Each class has an annual Spiritual Retreat, organized by the Campus Ministry Centre and the school chaplain.
  • A high school chaplain is named, and weekly confession and Eucharistic Adoration are listed.
    Sources (2)
    1. Faculty and Staff Directory | St. Mary's High Schoolsaintmaryshs.org/about-us/faculty-and-staff-directory · verified Oct. 12, 2026
      “Rev. Fr. Stephen Rooney Chaplain”
      Rev. Fr. Stephen Rooney is listed as the school's chaplain.
    2. Our Catholic Faith | St. Mary's High Schoolsaintmaryshs.org/catholic-life/our-catholic-faith · verified Oct. 12, 2026
      “Weekly opportunities for Confession.”
      Confession is offered weekly.
      “Weekly visits to the Blessed Sacrament for Eucharistic Adoration and personal prayer.”
      Eucharistic Adoration is offered weekly.
  • Several faith-based student groups are listed, including a Bible Studies Club and Eucharistic Ministers.
    Sources (1)
    1. Extracurricular Activities | St. Mary's High Schoolsaintmaryshs.org/student-life/extracurricular-activities · verified Oct. 12, 2026
      “Bible Studies Club Book Club”
      A Bible Studies Club is among the listed student clubs.
      “Eucharistic Ministers Fitness Club”
      Eucharistic Ministers is among the listed student groups.

Concerns

None recorded.

Know something we missed? Suggest a correction.

Campus ministry home

Campus Ministry, St. Mary's High School

  • Address: 51 Clapham Avenue, Manhasset, NY 11030
  • Distance from campus: less than 0.1 mi (straight line from the campus point in federal IPEDS data)

View on map ↗

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

Catholic clubs and student life

10 groups and regular activities · 0 on campus, 0 off campus, 10 location not published

Faith formation 1

  • Weekly Confession
    Weekly
    Weekly opportunities for the sacrament of Confession.
    saintmaryshs.org

Clubs and groups 2

  • Bible Studies Club
    Student club listed among the school's extracurricular activities.
    saintmaryshs.org
  • Senior Shepherds
    Student group listed among the school's extracurricular activities.
    saintmaryshs.org

Liturgy and prayer 3

  • Monthly Mass celebrations
    Monthly
    The school lists monthly celebrations of Mass as part of its program for students.
    saintmaryshs.org, saintmaryshs.org
  • Weekly Eucharistic Adoration
    Weekly
    Weekly visits to the Blessed Sacrament for Eucharistic Adoration and personal prayer.
    saintmaryshs.org
  • Eucharistic Ministers
    Student group listed among the school's extracurricular activities.
    saintmaryshs.org

Retreats 2

  • Annual class retreats
    Annual
    Each class has opportunities for annual Spiritual Retreats. Day and weekend retreats are available to students in each grade.
    saintmaryshs.org, saintmaryshs.org
  • Retreat Leaders
    Student group listed among the school's extracurricular activities.
    saintmaryshs.org

Service 2

  • Charitable service opportunities
    Campus ministry lists tutoring in the community, feeding the hungry at local soup kitchens, and works of mercy.
    saintmaryshs.org
  • Scholar Service Institute
    Student group listed among the school's extracurricular activities.
    saintmaryshs.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 (1)
  1. Campus Ministry | St. Mary's High Schoolsaintmaryshs.org/catholic-life/campus-ministry · verified Oct. 12, 2026
    “Each class has opportunities for annual Spiritual Retreats organized by the Campus Ministry Centre and the school chaplain.”
    Each class has an annual Spiritual Retreat, organized by the Campus Ministry Centre and the school chaplain.
    “51 Clapham Avenue Manhasset, NY 11030 Phone: (516) 627-2711”
    The school's address and main phone number.
    “51 Clapham Avenue Manhasset, NY 11030 Phone: (516) 627-2711”
    The school's address and main phone number.
    “Each class has opportunities for annual Spiritual Retreats organized by the Campus Ministry Centre and the school chaplain.”
    Each class has an annual Spiritual Retreat, organized by the Campus Ministry Centre and the school chaplain.

Reach out

Contact details for Main office (General office (campus ministry is run with the school chaplain)) and 3 official social and news channels are available to signed-in users.

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Academic Excellence

AAcademic Excellence: 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.
87 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.98%
  • Students per teacher 25% of scoreThis measure counts for 25% of the Academic Excellence score.12.5 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

TypeParish school
DioceseDiocese of Rockville Centre, NY
Grades9–12
Students (all grades)329
Students in grades 9–12329
Coed or single-sexCoed
Student–teacher ratio12.5 to 1
Graduates going to 4-year colleges98%
SettingSuburb

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 Rockville Centre

The Most Reverend John O. Barres, Bishop of Rockville Centre

Formal address: “Your Excellency”

Source: drvc.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 Rockville Centre.
What is St. Mary's High School’s Compass Score?
90 out of 100 (grade A). It combines faith (75%) and academics (25%), each rated from official sources.
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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