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Aerial view of Cantwell Sacred Heart of Mary
Aerial imagery: U.S. Geological Survey (public domain). USGS

Catholic high school

Cantwell Sacred Heart of Mary

  • LocationMontebello, CA
  • Type and sizeDiocesan school · Grades 9–12 · 352 students
Official website

Cantwell-Sacred Heart of Mary High School is a Catholic college preparatory high school in Montebello, California, in the Archdiocese of Los Angeles, formed in 1991 from two schools. Students take a religion course in each grade, complete 25 hours of Christian service a year, and attend grade-level and Kairos retreats. Its pages describe school-wide Masses, daily prayer, and reconciliation and adoration services.

Catholic churches nearby

Map of Cantwell Sacred Heart of Mary, its Catholic center and nearby Catholic churches1 mi2 mi3 miOur Lady of the Miraculous Medal Parish: 0.9 mi1Saint Benedict Roman Catholic Church: 1.1 mi2Saint Alphonsus Catholic Church: 1.5 mi3Saint Thomas Aquinas Catholic Church: 2.0 mi4Saint Pius X Catholic Center: 2.5 mi5Saint Thomas More Roman Catholic Church: 2.7 mi6Campus Ministry, Cantwell-Sacred Heart of Mary High School: 0.1 miCantwell Sacred Heart of Mary (campus)N1 mi
CampusCatholic centerCatholic church (numbered below)Open a street map ›
  1. Our Lady of the Miraculous Medal Parish — 0.9 mi
  2. Saint Benedict Roman Catholic Church — 1.1 mi
  3. Saint Alphonsus Catholic Church — 1.5 mi
  4. Saint Thomas Aquinas Catholic Church — 2.0 mi · 1501 Atlantic Blvd, Monterey Park
  5. Saint Pius X Catholic Center — 2.5 mi
  6. Saint Thomas More Roman Catholic Church — 2.7 mi

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.

N/ASacramental life: Not enough information. Official sources do not cover enough of this to grade it yet.

Sacramental life

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

  • Partly: the school meets some of this item and earns part of the points.
    All-school or class Masses during the school yearA few times a year (School-wide Masses are listed.)
    Sources (1)
    1. Campus Ministry | Cantwell-Sacred Heart of Mary High Schoolcshm.org/campus-ministry · verified Oct. 12, 2026
      “Liturgies & Masses: Celebrations throughout the liturgical year, including school-wide Masses, feast days, and Holy Week services.”
      The campus ministry lists school-wide Masses among its liturgies.
  • 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.
  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    Eucharistic adoration offeredNot enough information: not found in official sources.
  • Partly: the school meets some of this item and earns part of the points.
    Priest chaplain serving the schoolVisiting or shared priest (School-wide Masses are published; the campus minister is a lay staff member.)
    Sources (1)
    1. Campus Ministry | Cantwell-Sacred Heart of Mary High Schoolcshm.org/campus-ministry · verified Oct. 12, 2026
      “Liturgies & Masses: Celebrations throughout the liturgical year, including school-wide Masses, feast days, and Holy Week services.”
      The campus ministry lists school-wide Masses among its liturgies.
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 (One religion course is required in each of the four grades; four years.)
    Sources (1)
    1. Academic Requirements | Cantwell-Sacred Heart of Mary High Schoolcshm.org/academics-requirement · verified Oct. 12, 2026
      “FRESHMEN RELIGION: Scripture and Christology”
      Freshmen take a religion course.
      “SOPHOMORES RELIGION: Pascal Mystery and Ecclesiology”
      Sophomores take a religion course.
      “JUNIORS RELIGION: Sacraments and Life in Christ”
      Juniors take a religion course.
      “SENIORS RELIGION: Vocations and The Catholic Faith & Science”
      Seniors take a religion course.
  • 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
    Sources (1)
    1. About Us | Cantwell-Sacred Heart of Mary High Schoolcshm.org/about-us · verified Oct. 12, 2026
      “Every aspect of the school program is based on the foundation of To Teach As Jesus Did, bringing Christ and His message into the educational experience”
      The school's mission states that every aspect of the program is based on To Teach As Jesus Did.
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

90 of 100 points on what we could document.

  • Yes: the school meets this item and earns its full points.
    RetreatsA retreat for every grade (Grade-level retreats are listed for each grade level.)
    Sources (1)
    1. Campus Ministry | Cantwell-Sacred Heart of Mary High Schoolcshm.org/campus-ministry · verified Oct. 12, 2026
      “Grade-Level Retreats: Spiritual growth opportunities tailored for each grade level.”
      Retreats are offered for each grade level.
  • Yes: the school meets this item and earns its full points.
    Campus ministry staffTwo or more (Two ministry staff are listed: the Campus Minister and the Kairos Director.)
    Sources (1)
    1. Faculty + Staff | Cantwell-Sacred Heart of Mary High Schoolcshm.org/faculty-and-staff · verified Oct. 12, 2026
      “GENARO GARCIA EXECUTIVE ASSISTANT TO THE PRINCIPAL, CAMPUS MINISTER ggarcia@cshm.org”
      Genaro Garcia is the campus minister and his school email is published.
      “PHILIP LARA ASSISTANT PRINCIPAL OF ACADEMICS & KAIROS DIRECTOR plara@cshm.org”
      Philip Lara is the Kairos Director and his school email is published.
  • Partly: the school meets some of this item and earns part of the points.
    Faith-based student groups or clubsOne (CSHM Campus Ministry is listed.)
    Sources (1)
    1. Clubs | Cantwell-Sacred Heart of Mary High Schoolcshm.org/clubs · verified Oct. 12, 2026
      “CSHM Campus Ministry CSHM Music Ministry Environmental Club Faith, Hope & Love Club”
      The active clubs list includes CSHM Campus Ministry and CSHM Music Ministry.
  • Yes: the school meets this item and earns its full points.
    Daily prayer and liturgical life built into the school dayYes
    Sources (1)
    1. Campus Ministry | Cantwell-Sacred Heart of Mary High Schoolcshm.org/campus-ministry · verified Oct. 12, 2026
      “Daily Prayer: School-wide and classroom prayer centered on the CSHM community.”
      Daily prayer is school-wide and in classrooms.
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.

  • Yes: the school meets this item and earns its full points.
    Required service hours40 or more hours over four years (25 service hours are required in each grade, 100 over four years.)
    Sources (1)
    1. Campus Ministry | Cantwell-Sacred Heart of Mary High Schoolcshm.org/campus-ministry · verified Oct. 12, 2026
      “Requirements by Grade: Freshmen: 25 hours Sophomores: 25 hours Juniors: 25 hours Seniors: 25 hours”
      Christian service requires 25 hours in each grade, 100 over four years.
  • 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

  • A religion course is required in each of the four grades.
    Sources (1)
    1. Academic Requirements | Cantwell-Sacred Heart of Mary High Schoolcshm.org/academics-requirement · verified Oct. 12, 2026
      “FRESHMEN RELIGION: Scripture and Christology”
      Freshmen take a religion course.
      “SOPHOMORES RELIGION: Pascal Mystery and Ecclesiology”
      Sophomores take a religion course.
      “JUNIORS RELIGION: Sacraments and Life in Christ”
      Juniors take a religion course.
      “SENIORS RELIGION: Vocations and The Catholic Faith & Science”
      Seniors take a religion course.
  • 25 hours of Christian service are required in each grade, 100 over four years.
    Sources (1)
    1. Campus Ministry | Cantwell-Sacred Heart of Mary High Schoolcshm.org/campus-ministry · verified Oct. 12, 2026
      “Requirements by Grade: Freshmen: 25 hours Sophomores: 25 hours Juniors: 25 hours Seniors: 25 hours”
      Christian service requires 25 hours in each grade, 100 over four years.
  • Daily prayer is school-wide and in classrooms, and grade-level retreats are offered.
    Sources (1)
    1. Campus Ministry | Cantwell-Sacred Heart of Mary High Schoolcshm.org/campus-ministry · verified Oct. 12, 2026
      “Daily Prayer: School-wide and classroom prayer centered on the CSHM community.”
      Daily prayer is school-wide and in classrooms.
      “Grade-Level Retreats: Spiritual growth opportunities tailored for each grade level.”
      Retreats are offered for each grade level.
  • The mission states that every aspect of the school program is based on To Teach As Jesus Did.
    Sources (1)
    1. About Us | Cantwell-Sacred Heart of Mary High Schoolcshm.org/about-us · verified Oct. 12, 2026
      “Every aspect of the school program is based on the foundation of To Teach As Jesus Did, bringing Christ and His message into the educational experience”
      The school's mission states that every aspect of the program is based on To Teach As Jesus Did.

Concerns

None recorded.

Know something we missed? Suggest a correction.

Campus ministry home

Campus Ministry, Cantwell-Sacred Heart of Mary High School

  • Address: 329 N. Garfield Ave., Montebello, CA 90640
  • Distance from campus: 0.1 mi (straight line from the campus point in federal IPEDS data)
  • Facilities: chapel

View on map ↗

Source: cshm.org, verified Oct. 12, 2026, handbook.la-archdiocese.org, verified Oct. 12, 2026

Catholic clubs and student life

7 groups and regular activities · 0 on campus, 0 off campus, 7 location not published

Faith formation 1

  • Campus Ministry club
    Campus ministry program for prayer, liturgy, retreats and service, listed among the active clubs.
    cshm.org, cshm.org

Clubs and groups 1

  • CSHM Music Ministry
    Listed among the active clubs.
    cshm.org

Liturgy and prayer 1

  • Liturgies and school-wide Masses
    Celebrations throughout the liturgical year, including school-wide Masses, feast days and Holy Week services.
    cshm.org

Retreats 2

  • Grade-level retreats
    Spiritual growth retreats tailored to each grade level.
    cshm.org
  • Kairos Retreat
    A multi-day retreat for upperclassmen to deepen their faith and relationships.
    cshm.org

Service 2

  • Christian Service Program
    Required service of 25 hours in each grade, administered through religion classes.
    cshm.org
  • Mission projects
    Opportunities to serve during Advent, Lent and special drives.
    cshm.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 | Cantwell-Sacred Heart of Mary High Schoolcshm.org/campus-ministry · verified Oct. 12, 2026
    “Liturgies & Masses: Celebrations throughout the liturgical year, including school-wide Masses, feast days, and Holy Week services.”
    The campus ministry lists school-wide Masses among its liturgies.
  2. Faculty + Staff | Cantwell-Sacred Heart of Mary High Schoolcshm.org/faculty-and-staff · verified Oct. 12, 2026
    “GENARO GARCIA EXECUTIVE ASSISTANT TO THE PRINCIPAL, CAMPUS MINISTER ggarcia@cshm.org”
    Genaro Garcia is the campus minister and his school email is published.
  3. Contact Us | Cantwell-Sacred Heart of Mary High Schoolcshm.org/contact · verified Oct. 12, 2026
    “329 N. Garfield Ave., Montebello, CA 90640”
    The school's street address is 329 N. Garfield Ave., Montebello, CA 90640.
  4. Campus Ministry | Cantwell-Sacred Heart of Mary High School Parent/Student Handbookhandbook.la-archdiocese.org/schools/09570/chapter-3/section-3-4 · verified Oct. 12, 2026
    “Many athletic events are preceded by a prayer service in the Chapel led by the Campus Minister.”
    The campus has a Chapel where the campus minister leads prayer services.

Reach out

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Academic Excellence

DAcademic Excellence: Limited (grade D): 40 to 100 points out of 100 on what official sources document. Grades need sources for at least 60% of the checklist.
47 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.85%
  • Students per teacher 25% of scoreThis measure counts for 25% of the Academic Excellence score.20.1 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
DioceseArchdiocese of Los Angeles, CA
Grades9–12
Students (all grades)352
Students in grades 9–12352
Coed or single-sexCoed
Student–teacher ratio20.1 to 1
Graduates going to 4-year colleges85%
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

Archdiocese of Los Angeles

The Most Reverend José H. Gomez, Archbishop of Los Angeles

Formal address: “Your Excellency”

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

About this school’s data

Questions families ask

Is Cantwell Sacred Heart of Mary a Catholic high school?
Yes. Cantwell Sacred Heart of Mary is a Catholic high school in the Archdiocese of Los Angeles.

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