The brief
A private school in Arlington, MA serving grades Pre-K – 12th.
It ranks 339 of 414 schools in Massachusetts.
Arlington Catholic High School/saint Agnes School is a private school: it enrolls by application and tuition, and its rating comes from the private-school model, which is not comparable with a public rating.
About this school's datarating: low confidence · 3 sources, 2019–2024
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.
- Estimated academic score. This school does not have standardized test data. Based on 10 schools in Arlington. Learn more
- What this rating measures: classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in MA.
- Component weights adjusted due to data availability.
Score basis: private school model. Data coverage: 80% of scoring components had data. Components scored: 4 of 5. Ranking pool: private schools in MA.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2023–24 · 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 02474; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2023–24
The neighborhood
Where it sits, and what the area looks like.Open the Boston school map to see school quality against home prices across the metro.
The area
- Median income
- $139,199
- Median home value
- $887,000
- Median rent
- $2,157/mo
- College educated
- 73.8%
- Homeownership
- 58.4%
- Poverty rate
- 4.7%
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 02474; this is area context, not an attendance boundary.
Getting around
- Walk Score
- 93
- Walker's Paradise
- Transit Score
- 50
- Good Transit
- Bike Score
- 92
- Biker's Paradise
- City reported crime
- 498/100K
- Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Arlington. This is a city-level reported-crime measure, not a school safety rating.
Walk, transit and bike scores by![]()
FBI Uniform Crime Reporting · 2025 · city context (Arlington), not school-level safety or attendance eligibility. Source details
Source period: 2025. Freshness not available.
Programs and who goes here
What the campus offers, and who it enrolls.Who goes here
- White71%
- Hispanic11%
- Asian6%
- Black6%
- Two or More5%
- Native American1%
Enrollment mix: NCES Private School Universe Survey (PSS).
Compare nearby
Grade-compatible schools using the same rating model.- 8.5Compare →
- 7.8Compare →
- 7.5Compare →
- 7.3Compare →
- 7.2Compare →
- Arlington Catholic High School/saint Agnes School5.1
- 4.9Compare →
- 4.8Compare →
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
The record
What is on file, and where each number came from.Questions families ask
What grades does Arlington Catholic High School/saint Agnes School serve?
Arlington Catholic High School/saint Agnes School serves students in grades Pre-K through 12th.
How many students attend Arlington Catholic High School/saint Agnes School?
Arlington Catholic High School/saint Agnes School has an enrollment of approximately 851 students.
What is the student-teacher ratio at Arlington Catholic High School/saint Agnes School?
The student-teacher ratio at Arlington Catholic High School/saint Agnes School is 10.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Arlington Catholic High School/saint Agnes School rank in MA?
Arlington Catholic High School/saint Agnes School ranks #339 of 414 private schools in MA.
What is Arlington Catholic High School/saint Agnes School's MySchoolScout rating?
Arlington Catholic High School/saint Agnes School has a current MySchoolScout rating of 5.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Arlington Catholic High School/saint Agnes School a private school?
Yes, Arlington Catholic High School/saint Agnes 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 Arlington Catholic High School/saint Agnes School a religious school?
Arlington Catholic High School/saint Agnes School has a Roman Catholic religious affiliation.
School facts
- Grades
- Pre-K – 12th
- Enrollment
- 851
- Gender split
- 45% M / 55% F
- Student-teacher ratio
- 10.2:1
- Teachers (FTE)
- 84
- Type
- Private
- Coed status
- Coed
- Affiliation
- Roman Catholic
- School day
- 6.5 hours
- Days per year
- 180 days
- Setting
- Large Suburb
- County
- Middlesex County
- Phone
- (781) 646-0395
- Area population (ZIP 02474)
- 28,283
- Area average commute
- 32.1 min
- Area median age
- 38.3
NCES Private School Universe Survey (PSS) (SY 2023–24).
Sources and official links
Keep exploring
Related reading
Data from NCES Common Core of Data, Mass. Dept. of Elementary & Secondary Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.