Average
#892 of 1,462 private schools in FL
St Agnes Academy
Elementary School
122 HO, Key Biscayne, FL 33149
Enrollment
434
Student-Teacher
13.4:1
Score
6.0
Grades
Pre-K – 8th
Enrollment
434
Student-Teacher
13.4:1
Score
6.0
Grades
Pre-K – 8th
Data vintage
2021-22
Data vintage2021-22
How this school compares
Florida private schools
#892 of 1,462
In Key Biscayne
#1 of 2
public schools
Shortlisting around St Agnes Academy?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
St Agnes Academy
Elementary School in Key Biscayne · grades Pre-K – 8th. Start here, then compare fit against nearby and district options.
Key Biscayne Presbyterian School
0.1 mi away. Use as a geographic alternative in the same move search.
St Christophers
0.1 mi away. Use as a geographic alternative in the same move search.
About St Agnes Academy
St Agnes Academy is a private elementary school in Key Biscayne, FL. St Agnes Academy serves approximately 434 students, and covers grades Pre-K-8th, and has a 13.4:1 student-teacher ratio. St Agnes Academy has a current MySchoolScout rating of 6.0 out of 10 and ranks #892 of 1,462 private schools in FL.
- This school 6.0 · Average
- FL avg 6.6
What Parents Should Know
St Agnes Academy is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.
Compare to Public Schools
BetaHow St Agnes Academy compares to the 2 public schools in Key Biscayne, FL
Student Demographics
All Schools in Key Biscayne
| School | Rating |
|---|---|
| St Agnes Academy (this school) | 6.0 |
| KEY BISCAYNE K-8 CENTER | 7.2 |
| MAST ACADEMY | 8.6 |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
Score Breakdown
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 FL.
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 FL
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
122 HO, Key Biscayne, FL 33149
Nearby Alternatives
Families considering St Agnes Academy may also want to explore other elementary schools in the area. CORAL WAY K-8 CENTER (rated 8.2/10, 4.9 miles away, in nearby Miami), which scores notably higher. Another option is GORDON DAY SCHOOL OF BETH DAVID CONG. (rated 8.0/10, 4.6 miles away, in nearby Miami), which scores notably higher. Additionally, KLA ELEMENTARY (rated 7.9/10, 5.0 miles away, in nearby Miami), which scores notably higher. For more schools in Key Biscayne, see our Key Biscayne schools guide .
Nearby Schools
20 within 5.1 mi| School | Distance | Rating |
|---|---|---|
| KEY BISCAYNE PRESBYTERIAN SCHOOL Key Biscayne | 0.1 mi | — |
| ST CHRISTOPHERS Key Biscayne | 0.1 mi | 4.0 |
| KEY BISCAYNE K-8 CENTER Key Biscayne | 0.6 mi | 7.2 |
| MAST ACADEMY Key Biscayne | 2.7 mi | 8.6 |
| AMIKIDS MIAMI-DADE SOUTH Miami | 2.7 mi | — |
| IMMACULATA-LA SALLE HIGH SCHOOL Miami | 4.2 mi | 5.7 |
| LA PRIMA CASA MONTESSORI Miami | 4.4 mi | — |
| FISHER ISLAND DAY SCHOOL Miami Beach | 4.5 mi | 6.6 |
| TINICITI PRESCHOOL Miami | 4.6 mi | — |
| SOUTHSIDE PREPARATORY ACADEMY Miami | 4.6 mi | 7.1 |
| INTERNATIONAL STUDIES VIRTUAL ACADEMY Miami | 4.7 mi | 6.7 |
| MATER BRICKELL ACADEMY MIDDLE Miami | 4.7 mi | 8.9 |
| MATER BRICKELL ACADEMY HIGH Miami | 4.7 mi | — |
| GORDON DAY SCHOOL OF BETH DAVID CONG. Miami | 4.6 mi | 8.0 |
| LA PRIMA CASA MONTESSORI SCHOOL Miami | 4.6 mi | — |
| WORLDED INTERNATIONAL SCHOOL Miami | 4.8 mi | 3.1 |
| RANSOM EVERGLADES SCHOOL Miami | 4.7 mi | 7.4 |
| KLA ELEMENTARY Miami | 5.0 mi | 7.9 |
| CORAL WAY K-8 CENTER Miami | 4.9 mi | 8.2 |
| STS PETER & PAUL SCHOOL Miami | 5.1 mi | 5.5 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 33149 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$171,982
Median Home Value
$1,231,500
Median Rent
$3,501/mo
Population
14,628
College Educated
74.1%
Homeownership
69.4%
Avg Commute
23.7 min
Poverty Rate
7.7%
Median Age
43.2
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| BLESSED TRINITY SCHOOL Ocala, FL | 6.0 |
| BLOUNTSTOWN ELEMENTARY SCHOOL Blountstown, FL | 6.0 |
| CALLAWAY ELEMENTARY SCHOOL Panama City, FL | 6.0 |
| CHRISTINA M. EVE ELEMENTARY SCHOOL Miami, FL | 6.0 |
| CLAY HILL ELEMENTARY SCHOOL Jacksonville, FL | 6.0 |
| COQUINA ELEMENTARY SCHOOL Titusville, FL | 6.0 |
Frequently Asked Questions
Common questions about St Agnes Academy
What grades does St Agnes Academy serve?
St Agnes Academy serves students in grades Pre-K through 8th.
How many students attend St Agnes Academy?
St Agnes Academy has an enrollment of approximately 434 students.
What is the student-teacher ratio at St Agnes Academy?
The student-teacher ratio at St Agnes Academy is 13.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does St Agnes Academy rank in FL?
St Agnes Academy ranks #892 of 1,462 private schools in FL.
What is St Agnes Academy's MySchoolScout rating?
St Agnes Academy has a current MySchoolScout rating of 6.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is St Agnes Academy a private school?
Yes, St Agnes Academy 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 Agnes Academy a religious school?
St Agnes Academy has a Roman Catholic religious affiliation.
Explore More Schools
Neighborhood Context
Powered by 
Quick Facts NCES PSS (SY 2021-22)
- Grades
- Pre-K – 8th
- Enrollment
- 434
- Gender Split
- 48% M / 52% F
- Student-Teacher Ratio
- 13.4:1
- Teachers (FTE)
- 32
- Type
- private
- Coed Status
- coed
- Affiliation
- Roman Catholic
- School Day
- 7.3 hours
- Days Per Year
- 180 days
- Setting
- Large Suburb
- County
- Miami-Dade County
- Phone
- (305) 361-3245
Resources & Links
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 rateRelated reading
- Best Public Schools in Florida 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best Public Schools in Jacksonville, Miami & Tampa for Families Exploring School Choicebest schools
- Best Schools in Jacksonville, FL — 2026 Rankingsbest schools
- Best Schools in Miami, FL — 2026 Rankingsbest schools
- Best Schools in Orlando, FL — 2026 Rankingsbest schools
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.