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Below Average

#1628 of 1,787 private schools in CA

St Perpetua School

Elementary School · Lafayette, CA

A private elementary school in Lafayette, CA serving grades Kindergarten – 8th.

Private

3445 HAMLIN RD, Lafayette, CA 94549

  • 20.3:1 student-teacher ratio

Academics

Preliminary

What this rating measures

This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CA.

Classroom Attention
?Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
C2.5 / 10
View breakdown
Student-Teacher Ratio20.3:1
Instructional Commitment
?Total annual instructional hours based on school day length and days per year. (15% of overall score)
B+7.3 / 10
View breakdown
School Day Length7 hours
Annual Instructional Hours1,260
Diversity & Inclusion
?Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
C+3.6 / 10
View breakdown
Diversity Index26%
Community Context

Data not available

School Profile
?Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
A-8.1 / 10
View breakdown
Enrollment284
View data sources

Score basis: Private school model

Data coverage: 80% of scoring components had data

Components scored: 4 of 5

Ranking pool: Private schools in CA

Test scores

Most recent published year. School vs. CA average.

Test score data not yet available for this school.

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where St Perpetua School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the San Francisco Bay Area map →

Getting around & local context

  • Walk 13Car-Dependent
  • Bike 28Somewhat Bikeable
  • City Safety: Elevated1,348/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Lafayette), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$231,195

Median home value

$1,968,500

Median rent

$2,902/mo

College educated

77.2%

Homeownership

78.7%

Poverty rate

4.1%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 94549; this is area context, not an attendance boundary.

Programs & students

Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)

White85.2%
Two or More12.0%
Asian2.8%

Source: NCES Private School Universe Survey (PSS)

Compare nearby

Nearby same-level schools

4 from a 5-mile search

SchoolScoreGradesDistanceEnrollmentCompare
St. PerpetuaPrivate · tuitionNot ratedK–80.0 mi239Compare →
Center of Arts Technology and SciencePrivate · tuition4.8privateK–40.6 mi85Compare →
Lafayette ElementaryEnrollment path unverified8.7K–50.6 mi509Compare →
Diablo Valley MontessoriPrivate · tuitionNot ratedK1.1 mi6Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

St Perpetua School is listed in Lafayette, CA; verify the current enrollment path directly.

About St Perpetua School

St Perpetua School is a private elementary school in Lafayette, CA, serving approximately 284 students in grades Kindergarten-8th with a 20.3:1 student-teacher ratio. It holds a MySchoolScout rating of 4.7 out of 10 and ranks #1,628 of 1,787 private schools in CA.

Frequently asked questions

Common questions about St Perpetua School

What grades does St Perpetua School serve?

St Perpetua School serves students in grades Kindergarten through 8th.

How many students attend St Perpetua School?

St Perpetua School has an enrollment of approximately 284 students.

What is the student-teacher ratio at St Perpetua School?

The student-teacher ratio at St Perpetua School is 20.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.

How does St Perpetua School rank in CA?

St Perpetua School ranks #1,628 of 1,787 private schools in CA.

What is St Perpetua School's MySchoolScout rating?

St Perpetua School has a current MySchoolScout rating of 4.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

Is St Perpetua School a private school?

Yes, St Perpetua School is a private coeducational school with a Roman Catholic affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.

Is St Perpetua School a religious school?

St Perpetua School has a Roman Catholic religious affiliation.

School factsNCES Private School Universe Survey (PSS) (SY 2021–22)

Grades
Kindergarten – 8th
Enrollment
284
Gender Split
45% M / 55% F
Student-Teacher Ratio
20.3:1
Teachers (FTE)
14
Type
private
Coed Status
coed
Affiliation
Roman Catholic
School Day
7 hours
Days Per Year
180 days
Setting
Large Suburb
County
Contra Costa County
Area population (ZIP 94549)
28,247
Area average commute
28.6 min
Area median age
45.8
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
  • Vintage not available. Do not use this measure alone.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 94549; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22

About our data · How we calculate scores

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