Very Good
#171 of 873 private schools in PA
Top 20% of private schools
The Agnes Irwin School
School · Bryn Mawr, PA
A private school in Bryn Mawr, PA serving grades Pre-K – 12th.
275 S ITHAN AVE, Bryn Mawr, PA 19010
- 7.5:1 student-teacher ratio
Academics
PreliminaryWhat 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 PA.
Data not available
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 PA
Test scores
Most recent published year. School vs. PA 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 rateThe neighborhood
Where The Agnes Irwin 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 Philadelphia map →
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$143,986
Median home value
$788,700
Median rent
$1,890/mo
College educated
76.7%
Homeownership
65.4%
Poverty rate
7.4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 19010; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Main Line Classical Academy IncPrivate · tuition | 8.4 | K–9 | 1.0 mi | 74 | Compare → |
| Sacred Heart Academy Bryn MawrPrivate · tuition | 8.1 | K–12 | 1.1 mi | 200 | Compare → |
| St Katherine Day School -upperPrivate · tuition | 8.4 | K–12 | 1.2 mi | 74 | Compare → |
| The Grayson SchoolPrivate · tuition | 8.6 | PK–12 | 1.2 mi | 138 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
The Agnes Irwin School is listed in Bryn Mawr, PA; verify the current enrollment path directly.
About The Agnes Irwin School
The Agnes Irwin School is a private school in Bryn Mawr, PA, serving approximately 573 students in grades Pre-K-12th with a 7.5:1 student-teacher ratio. It holds a MySchoolScout rating of 7.5 out of 10 and ranks #171 of 873 private schools in PA.
Frequently asked questions
Common questions about The Agnes Irwin School
What grades does The Agnes Irwin School serve?
The Agnes Irwin School serves students in grades Pre-K through 12th.
How many students attend The Agnes Irwin School?
The Agnes Irwin School has an enrollment of approximately 573 students.
What is the student-teacher ratio at The Agnes Irwin School?
The student-teacher ratio at The Agnes Irwin School is 7.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does The Agnes Irwin School rank in PA?
The Agnes Irwin School ranks #171 of 873 private schools in PA.
What is The Agnes Irwin School's MySchoolScout rating?
The Agnes Irwin School has a current MySchoolScout rating of 7.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is The Agnes Irwin School a private school?
Yes, The Agnes Irwin School is a private all-girls school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is The Agnes Irwin School a religious school?
No, The Agnes Irwin School is a nonsectarian (non-religious) private school.
School factsNCES Private School Universe Survey (PSS) (SY 2021–22)
- Grades
- Pre-K – 12th
- Enrollment
- 573
- Gender Split
- 0% M / 100% F
- Student-Teacher Ratio
- 7.5:1
- Teachers (FTE)
- 77
- Type
- private
- Coed Status
- all-girls
- Affiliation
- Nonsectarian
- School Day
- 7 hours
- Days Per Year
- 167 days
- Setting
- Large Suburb
- County
- Delaware County
- Phone
- (610) 801-1869
- Area population (ZIP 19010)
- 22,004
- Area average commute
- 27 min
- Area median age
- 37.7
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 19010; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
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