Average
#477 of 991 private schools in NY
Top 48% of private schools
Mount St. Mary Academy
High School
3756 DELAWARE AVE 1, Buffalo, NY 14217
Estimated academic score. This school does not have standardized test data. Based on NY statewide data. Learn more
Enrollment
246
Student-Teacher
9.1:1
Score
6.3
Grades
9th – 12th
Enrollment
246
Student-Teacher
9.1:1
Score
6.3
Grades
9th – 12th
Updated
2021-22
Updated 2021-22
How this school compares
In Buffalo
#12 of 17
public schools
New York high schools
#100 of 191
About Mount St. Mary Academy
Mount St. Mary Academy is a high school located in the suburban area of Buffalo, New York. With an enrollment of 246 students and a student-teacher ratio of 9.1:1, Mount St.
Mary offers personalized attention to each student. The faculty consists of 27 full-time equivalent teachers dedicated to supporting their academic and personal growth. While specific test scores are not available, the school's MySchoolScout rating of 4.2 out of 10 indicates that there is room for academic improvement.
Ranked 66th out of 991 schools in New York State, Mount St. Mary focuses on developing well-rounded students through a variety of programs and activities. Set against the backdrop of Buffalo's large suburban area, Mount St.
Mary Academy benefits from its community’s resources and support, fostering an environment where students can thrive both academically and socially.
What Parents Should Know
With a student-teacher ratio of 9.1:1, Mount St. Mary Academy offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
As a private school, Mount St. Mary Academy operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.
Compare to Public Schools
BetaHow Mount St. Mary Academy compares to 29 public schools serving similar grades in Buffalo, NY
Student Demographics
Nearby High Schools
| School | Rating |
|---|---|
| Mount St. Mary Academy (this school) | 6.3 |
| KENMORE WEST SENIOR HIGH SCHOOL | 6.5 |
| CHARTER SCHOOL FOR APPLIED TECHNOLOGIES | 3.4 |
| ACADEMY SCHOOL | 7.1 |
| TAPESTRY CHARTER SCHOOL | 3.6 |
| RIVERSIDE ACADEMY HIGH SCHOOL | 5.4 |
| MCKINLEY VOCATIONAL HIGH SCHOOL | 4.9 |
| MIDDLE EARLY COLLEGE HIGH SCHOOL | 7.5 |
| LEWIS J BENNETT HIGH SCHOOL OF INNOVATIVE TECHNOLGY | 6.0 |
| RESEARCH LABORATORY HS-BIOINFORMATIC | 6.2 |
| BURGARD HIGH SCHOOL | 4.8 |
| PS 84 | 7.7 |
| LAFAYETTE INTERNATIONAL SCHOOL | 4.8 |
| MATH SCIENCE TECHNOLOGY PREPARATORY SCHOOL AT 197 | 3.8 |
| FREDERICK OLMSTED #156 | 5.2 |
| BUFFALO ACADEMY FOR THE VISUAL & PERFORMING ARTS | 5.4 |
| LEONARDO DA VINCI HIGH SCHOOL | 5.6 |
| ERIE COUNTY DETENTION FACILITY | — |
| HEALTH SCIENCES CHARTER SCHOOL | 5.0 |
| INTERNATIONAL PREPARATORY SCHOOL (THE) | 6.6 |
| PATHWAYS ACADEMY | 5.7 |
Showing 20 of 29 schools. View all schools in Buffalo
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
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 NY.
Data Unavailable
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 NY
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
3756 DELAWARE AVE 1, Buffalo, NY 14217
Nearby Alternatives
Families considering Mount St. Mary Academy may also want to explore other high schools in the area. CARDINAL O'HARA HIGH SCHOOL (rated 7.5/10, 1.0 miles away, in nearby Tonawanda), which scores notably higher. Another option is KENMORE WEST SENIOR HIGH SCHOOL (rated 6.5/10, 1.1 miles away), with a very similar rating. Additionally, KENMORE EAST SENIOR HIGH SCHOOL (rated 6.2/10, 2.1 miles away, in nearby Tonawanda), with a very similar rating. For more schools in Buffalo, see our Buffalo schools guide .
Nearby Schools
20 within 3.0 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 14217 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$72,205
Median Home Value
$193,200
Median Rent
$970/mo
Population
22,566
College Educated
41.3%
Homeownership
67.1%
Avg Commute
19.2 min
Poverty Rate
11.1%
Median Age
41.4
Community Profile
The community surrounding Mount St. Mary Academy has a median household income of $72,205. It is a well-educated community where 41% of adults hold a bachelor's degree or higher. The median home value in the area is $193,200, with a median rent of $970/month. The area has a poverty rate of 11.1%. Residents enjoy a short average commute of 19 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| EAGLE ACADEMY FOR YOUNG MEN OF STATEN ISLAND (THE) Staten Island, NY | 6.3 |
| FREDERICK DOUGLASS ACADEMY II SECONDARY SCHOOL New York, NY | 6.3 |
| HOOSICK FALLS HIGH SCHOOL Hoosick Falls, NY | 6.3 |
| VALIDUS PREPARATORY ACADEMY Bronx, NY | 6.3 |
| WEST BROOKLYN COMMUNITY HIGH SCHOOL Brooklyn, NY | 6.3 |
| BISHOP GRIMES JR-SR HIGH SCHOOL East Syracuse, NY | 6.2 |
Frequently Asked Questions
Common questions about Mount St. Mary Academy
What grades does Mount St. Mary Academy serve?
Mount St. Mary Academy serves students in grades 9th through 12th.
How many students attend Mount St. Mary Academy?
Mount St. Mary Academy has an enrollment of approximately 246 students.
What is the student-teacher ratio at Mount St. Mary Academy?
The student-teacher ratio at Mount St. Mary Academy is 9.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Mount St. Mary Academy rank in NY?
Mount St. Mary Academy is ranked #477 out of 991 private schools in NY.
What is Mount St. Mary Academy's MySchoolScout rating?
Mount St. Mary Academy has a composite rating of 6.3 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
Is Mount St. Mary Academy a private school?
Yes, Mount St. Mary Academy is a private all-girls 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 Mount St. Mary Academy a religious school?
Mount St. Mary Academy has a Roman Catholic religious affiliation.
Explore More Schools
Neighborhood Context
- City Safety
- High (4,549/100K)
FBI UCR 2024. City-level (Buffalo). Data >1 year old.
Quick Facts NCES PSS (SY 2021-22)
- Grades
- 9th – 12th
- Enrollment
- 246
- Gender Split
- 0% M / 100% F
- Student-Teacher Ratio
- 9.1:1
- Teachers (FTE)
- 27
- Type
- private
- Coed Status
- all-girls
- Affiliation
- Roman Catholic
- School Day
- 6.7 hours
- Days Per Year
- 169 days
- Setting
- Large Suburb
- County
- ERIE
- Phone
- (716) 877-1358
- Data Year
- 2022–2023
Resources & Links
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Public Schools in New York 2026: Top Districts from NYC to the Suburbsbest schools
- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.