Key Biscayne Presbyterian School Photo

Best Key Biscayne Private Schools (2026)

For the 2026 school year, there are 4 private schools serving 1,151 students in Key Biscayne, FL (there are 3 public schools, serving 2,442 public students). 32% of all K-12 students in Key Biscayne, FL are educated in private schools (compared to the FL state average of 14%).
The top-ranked private schools in Key Biscayne, FL include St. Agnes Academy and St. Christophers.
100% of private schools in Key Biscayne, FL are religiously affiliated (most commonly Presbyterian and Episcopal).

Top-Ranked Key Biscayne Private Schools (2026)

School
Location
Quick Facts
St. Agnes Academy
(Catholic)
(1)
122 Harbor Dr
Key Biscayne, FL 33149
(305) 361-3245
Gr: PK-8 | 561 students Avg. class size: 24 students Sports: 5 | Extracurrculars: 10 Tuition listed
St. Christophers
Montessori School (Episcopal)
95 Harbor Dr
Key Biscayne, FL 33149
(305) 361-5080
Gr: PK-6 | 230 students Avg. class size: 15 students
160 Harbor Drive
Key Biscayne, FL 33149
(305) 365-6070
Gr: PK-7 | 187 students
Key Biscayne Presbyterian School
Key Biscayne Presbyterian School Photo
(Presbyterian)
160 Harbor Dr
Key Biscayne, FL 33149
(305) 361-2058
Gr: PK-1 | 173 students Sports: 6 | Extracurrculars: 5

Overview

This Town (Key Biscayne)
This State (FL)
# Schools
4 Schools

Student Body:

# Students
1,151 Students
479,370 Students
% Average Students of Color
71%
47%

Academics and Faculty:

# Teachers
59 Teachers
41,599 Teachers
Average Student-Teacher Ratio
20:1
12:1
% Average Faculty w/Advanced Degree
25%
51%
Average Class Size
20 students
16 students

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$14,995
$13,859

Students by Ethnicity:

0.65
0.73
# American Indian Students
n/a
1,217 Students
% American Indian Students
n/a
n/a
# Asian Students
2 Students
13,059 Students
% Asian Students
n/a
3%
# Hispanic Students
503 Students
91,061 Students
% Hispanic Students
44%
19%
# Black Students
n/a
55,408 Students
% Black Students
n/a
12%
# White Students
267 Students
182,923 Students
% White Students
23%
39%
# Hawaiian Students
n/a
1,211 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
379 Students
128,182 Students
% of Others Students
33%
27%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
8 extracurriculars
8 extracurriculars
Average Number of Sports
6 sports
7 sports

Frequently Asked Questions

What are the top-ranked private schools in Key Biscayne, FL?
The top-ranked private schools in Key Biscayne, FL include St. Agnes Academy and St. Christophers.
How many private schools are located in Key Biscayne?
4 private schools are located in Key Biscayne.
What percentage of students in Key Biscayne go to private school?
32% of all K-12 students in Key Biscayne are educated in private schools (compared to the FL state average of 14%).
What percentage of private schools are religiously affiliated in Key Biscayne?
100% of private schools in Key Biscayne are religiously affiliated (most commonly Presbyterian and Episcopal).
Which private schools in Key Biscayne are often viewed compared to one another?

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