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Aerial view of Justin-Siena
Aerial imagery: U.S. Geological Survey (public domain). USGS

Catholic high school

Justin-Siena

  • LocationNapa, CA
  • Type and sizeIndependent Catholic school · Grades 9–12 · 654 students
  • SponsorDe La Salle Christian Brothers (Lasallian)
Official website

Justin-Siena is a Lasallian Catholic college preparatory high school in Napa, California, serving grades 9 through 12. The school requires four years of religious studies, based on the USCCB Doctrinal Elements framework, and includes a Catholic Social Tradition unit in its junior-year ethics course. Freshman and sophomore retreats, student-led prayer services, and VENAVER immersion trips are published.

Catholic churches nearby

Map of Justin-Siena, its Catholic center and nearby Catholic churches1 mi2 mi3 miCatholic church (unnamed in OpenStreetMap): 0.5 mi1St. Apollinaris Catholic Church: 0.5 mi2St. John the Baptist Catholic Church: 2.7 mi3Catholic church (unnamed in OpenStreetMap): 2.7 mi4St. John's Parish Office: 2.7 mi5St. Thomas Aquinas Parish Office: 3.0 mi6Lasallian Student Life office: 0.1 miJustin-Siena (campus)N2 mi
CampusCatholic centerCatholic church (numbered below)Open a street map ›
  1. Catholic church (unnamed in OpenStreetMap) — 0.5 mi · 3700 Lassen Street, Napa
  2. St. Apollinaris Catholic Church — 0.5 mi · 3700 Lassen Street, Napa
  3. St. John the Baptist Catholic Church — 2.7 mi · 981 Napa Street, Napa
  4. Catholic church (unnamed in OpenStreetMap) — 2.7 mi · Napa Street, Napa
  5. St. John's Parish Office — 2.7 mi · 960 Caymus Street, Napa
  6. St. Thomas Aquinas Parish Office — 3.0 mi · 2725 Elm Street, Napa

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 liturgies are held; liturgies are Masses.)
    Sources (1)
    1. Lasallian Student Life | Justin-Sienajustin-siena.org/student-life/lasallian-student-life · verified Oct. 12, 2026
      “Prayer Services and liturgies are run by our student leaders, with the assistance of faculty & staff.”
      Student leaders run prayer services and liturgies with faculty help.
  • 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 Masses are confirmed.)
    Sources (1)
    1. Lasallian Student Life | Justin-Sienajustin-siena.org/student-life/lasallian-student-life · verified Oct. 12, 2026
      “Prayer Services and liturgies are run by our student leaders, with the assistance of faculty & staff.”
      Student leaders run prayer services and liturgies with faculty help.
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 school requires four years of religious studies for graduation (four full-year equivalents).)
    Sources (1)
    1. Religious Studies | Justin-Sienajustin-siena.org/academics/curriculum/religious-studies · verified Oct. 12, 2026
      “Justin-Siena High School requires four years of religious studies for graduation.”
      Four years of religious studies are required for graduation.
  • Yes: the school meets this item and earns its full points.
    Theology courses follow the USCCB Curriculum FrameworkYes (The school states that its religious studies curriculum is based on the USCCB Framework of Doctrinal Elements.)
    Sources (1)
    1. Religious Studies | Justin-Sienajustin-siena.org/academics/curriculum/religious-studies · verified Oct. 12, 2026
      “The curriculum that the department provides is based on the Framework of Doctrinal Elements established by the United States Conference of Catholic Bishops.”
      The religious studies curriculum is based on the USCCB framework.
  • Yes: the school meets this item and earns its full points.
    Philosophy, apologetics, or ethics course offeredYes (Grade 11 Christian Living: Ethics and Social Justice is offered.)
    Sources (1)
    1. Religious Studies | Justin-Sienajustin-siena.org/academics/curriculum/religious-studies · verified Oct. 12, 2026
      “Ethics and Social Justice is a course on the fundamental principles of moral life”
      A grade 11 ethics course is part of the religious studies program.
  • 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. Religious Studies | Justin-Sienajustin-siena.org/academics/curriculum/religious-studies · verified Oct. 12, 2026
      “Overall, the Religious Studies Program provides meaning and context for the course material provided in other areas of the school’s curriculum.”
      The religious studies program is stated to give context to material taught in other subjects.
N/ACampus culture: Not enough information. Official sources do not cover enough of this to grade it yet.

Campus culture

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.
    RetreatsRetreats for some grades (A freshman retreat and a sophomore retreat are published. A Kairos program is described without a grade level.)
    Sources (1)
    1. Lasallian Student Life | Justin-Sienajustin-siena.org/student-life/lasallian-student-life · verified Oct. 12, 2026
      “Held off-campus, the entire Freshmen class attends a day long retreat during their first semester at Justin-Siena.”
      The freshman class attends a day-long retreat.
      “In November, the entire Sophomore class will be attending one of two overnight retreats.”
      The sophomore class attends an overnight retreat.
  • Partly: the school meets some of this item and earns part of the points.
    Campus ministry staffOne (One named ministry leader is listed: the Director of Lasallian Student Life, whose office leads spirituality.)
    Sources (1)
    1. Lasallian Student Life | Justin-Sienajustin-siena.org/student-life/lasallian-student-life · verified Oct. 12, 2026
      “leads both the development of school spirit and spirituality”
      The Lasallian Student Life office leads student spirituality as well as school spirit.
      “Megan Alexander-Short '07 Director of Lasallian Student Life 707.255.0950 ext. 725”
      Megan Alexander-Short is Director of Lasallian Student Life.
  • Not enough information: official sources do not document this, so it is left out of the grade rather than counted as a no.
    Faith-based student groups or clubsNot 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.
    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.
  • Yes: the school meets this item and earns its full points.
    Catholic social teaching taught in theology coursesYes (The required Grade 11 course surveys Catholic Social Tradition in its second semester.)
    Sources (1)
    1. Religious Studies | Justin-Sienajustin-siena.org/academics/curriculum/religious-studies · verified Oct. 12, 2026
      “In the second semester, students will survey Catholic Social Tradition and its underlying principles”
      The grade 11 course surveys Catholic Social Tradition.
  • 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.
  • Yes: the school meets this item and earns its full points.
    Justice and solidarity programs (immersions, service trips, justice clubs)Yes
    Sources (1)
    1. Lasallian Student Life | Justin-Sienajustin-siena.org/student-life/lasallian-student-life · verified Oct. 12, 2026
      “Through the lens of experiential learning and Catholic Social Thought, students deeply immerse themselves in a new community to explore a current social issue”
      VENAVER immersion trips explore social issues through Catholic Social Thought.
      “are immersion trips that offer students and faculty opportunities to participate with, listen to and learn from”
      VENAVER offers immersion trips in struggling communities in Texas and Montana.

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

Strengths

  • Four years of religious studies are required for graduation, and the curriculum is based on the USCCB framework.
    Sources (1)
    1. Religious Studies | Justin-Sienajustin-siena.org/academics/curriculum/religious-studies · verified Oct. 12, 2026
      “Justin-Siena High School requires four years of religious studies for graduation.”
      Four years of religious studies are required for graduation.
      “The curriculum that the department provides is based on the Framework of Doctrinal Elements established by the United States Conference of Catholic Bishops.”
      The religious studies curriculum is based on the USCCB framework.
  • Immersion trips explore social issues through Catholic Social Thought, and a required grade 11 course covers Catholic Social Tradition.
    Sources (2)
    1. Lasallian Student Life | Justin-Sienajustin-siena.org/student-life/lasallian-student-life · verified Oct. 12, 2026
      “Through the lens of experiential learning and Catholic Social Thought, students deeply immerse themselves in a new community to explore a current social issue”
      VENAVER immersion trips explore social issues through Catholic Social Thought.
    2. Religious Studies | Justin-Sienajustin-siena.org/academics/curriculum/religious-studies · verified Oct. 12, 2026
      “In the second semester, students will survey Catholic Social Tradition and its underlying principles”
      The grade 11 course surveys Catholic Social Tradition.
  • Retreats are published for freshmen and sophomores, and students may apply to lead retreats after training.
    Sources (1)
    1. Lasallian Student Life | Justin-Sienajustin-siena.org/student-life/lasallian-student-life · verified Oct. 12, 2026
      “Held off-campus, the entire Freshmen class attends a day long retreat during their first semester at Justin-Siena.”
      The freshman class attends a day-long retreat.
      “In November, the entire Sophomore class will be attending one of two overnight retreats.”
      The sophomore class attends an overnight retreat.
      “Students interested in leading retreats go through an application and training process.”
      Students may apply to become retreat leaders after training.

Concerns

None recorded.

Know something we missed? Suggest a correction.

Campus ministry home

Lasallian Student Life office

  • Address: 4026 Maher Street, Napa, CA 94558
  • Location: On campus

View on map ↗

Source: justin-siena.org, verified Oct. 12, 2026, justin-siena.org, verified Oct. 12, 2026

Catholic clubs and student life

7 groups and regular activities · 0 on campus, 3 off campus, 4 location not published

Retreats 4

  • Freshmen RetreatOff campus
    First semester
    A day-long class retreat led by faculty, staff and class leaders.
    justin-siena.org
  • Sophomore RetreatOff campus
    November (overnight)
    An overnight class retreat at Alliance Redwoods Conference Center in Occidental.
    justin-siena.org
  • Kairos Retreat
    The school offers the Kairos Retreat Program.
    justin-siena.org
  • Retreat Leaders
    Students apply, train and lead peer retreats.
    justin-siena.org

Service 2

  • VENAVER immersion tripsOff campus
    Immersion trips to struggling communities in Texas and Montana, with Arizona trips in past years, exploring social issues through Catholic Social Thought.
    justin-siena.org, justin-siena.org
  • Change For Our World fundraiser
    Annual
    Annual student fundraiser supporting the school's twin school, St. Joseph in Adama, Ethiopia.
    justin-siena.org

Liturgy and prayer 1

  • Prayer services and liturgies
    Run by student leaders with faculty and staff assistance, described as regular school-community prayer.
    justin-siena.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. Lasallian Student Life | Justin-Sienajustin-siena.org/student-life/lasallian-student-life · verified Oct. 12, 2026
    “leads both the development of school spirit and spirituality”
    The Lasallian Student Life office leads student spirituality as well as school spirit.
    “Prayer Services and liturgies are run by our student leaders, with the assistance of faculty & staff.”
    Student leaders run prayer services and liturgies with faculty help.
    “leads both the development of school spirit and spirituality”
    The Lasallian Student Life office leads student spirituality as well as school spirit.
    “4026 Maher Street Napa, CA, 94558”
    The school's address is 4026 Maher Street, Napa, CA 94558.

Reach out

Contact details for Megan Alexander-Short (Director of Lasallian Student Life) and 3 official social and news channels are available to signed-in users.

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Academic Excellence

BAcademic Excellence: 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.
84 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.14.1 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

TypeIndependent Catholic school
DioceseDiocese of Santa Rosa, CA
Grades9–12
Students (all grades)654
Students in grades 9–12654
Coed or single-sexCoed
Student–teacher ratio14.1 to 1
Graduates going to 4-year colleges98%
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 Santa Rosa

The Most Reverend Robert F. Vasa, Bishop of Santa Rosa

Formal address: “Your Excellency”

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

About this school’s data

Questions families ask

Is Justin-Siena a Catholic high school?
Yes. Justin-Siena is a Catholic high school in the Diocese of Santa Rosa. Its sponsor is De La Salle Christian Brothers (Lasallian).

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