Student Size Range: 67
313
Avg. Student Size: 175
Average Private School Student Size (2025)
State
Average School Size
Largest Schools
Rank: #11.
313 students
Rank: #22.
307 students
Rank: #33.
241 students
Rank: #44.
226 students
Rank: #55.
216 students
Rank: #66.
209 students
Rank: #77.
205 students
Rank: #88.
204 students
Rank: #99.
203 students
Rank: #1010.
202 students
Rank: #1111.
201 students
Rank: #1212.
196 students
Rank: #1313.
193 students
- Mizzou K 12 Online/mu High School (6,961 students)
- Mary Institute And Saint Louis Country Day School (1,265 students)
- Summit Christian Academy (1,257 students)
- MICDS (Mary Institute and St. Louis Country Day School) (1,253 students)
- Mary Institute & St. Louis Country Day School (1,241 students)
- View Top MO Schools
Rank: #1414.
190 students
Rank: #15-1615-16.
184 students
Rank: #15-1615-16.
184 students
Rank: #17-1817-18.
181 students
Rank: #17-1817-18.
181 students
Rank: #19-2019-20.
180 students
Rank: #19-2019-20.
180 students
Rank: #2121.
178 students
Rank: #22-2322-23.
177 students
Rank: #22-2322-23.
177 students
Rank: #2424.
175 students
Rank: #25-2625-26.
171 students
Rank: #25-2625-26.
171 students
Rank: #2727.
170 students
Rank: #2828.
168 students
Rank: #2929.
167 students
Rank: #30-3130-31.
166 students
Rank: #30-3130-31.
166 students
Rank: #32-3332-33.
165 students
Rank: #32-3332-33.
165 students
Rank: #3434.
164 students
Rank: #3535.
162 students
Rank: #36-3836-38.
158 students
Rank: #36-3836-38.
158 students
Rank: #36-3836-38.
158 students
Rank: #3939.
139 students
Rank: #4040.
138 students
Rank: #4141.
134 students
Rank: #4242.
131 students
Rank: #4343.
130 students
Rank: #4444.
122 students
Rank: #4545.
119 students
Rank: #4646.
118 students
Rank: #4747.
111 students
Rank: #4848.
110 students
Rank: #4949.
98 students
Rank: #5050.
89 students
Frequently Asked Questions
What is the national average private school student size?
The national average private school student size is 175 for 2025.
What are the private schools with largest private school student size in the United States?
The private schools with largest private school student size in the United States include American Heritage School, Pius X High School and Caravel Academy.
What is the state with the largest average private school student size?
The state with the largest average private school student size is Louisiana.
Recent Articles
A Parent's Guide To Understanding High School Teaching Methods
This comprehensive guide helps parents navigate the various teaching methods used in today's high school classrooms. By understanding these approaches, you'll be better equipped to support your teen's learning journey, communicate effectively with teachers, and create a complementary learning environment at home.
February 08, 2025
Social Emotional Learning: Education's Hidden SymphonyA musician's perspective on Social Emotional Learning reveals how this educational framework orchestrates success through five essential emotional competencies.
January 24, 2025
A Roadmap For Starting A Private SchoolUse this roadmap as a set of talking points with your trusted mentors and professionals to start the private school of your dreams. You're not alone. Over the years, hundreds of folks like you have had the same dream. From Quintilian to Maria Montessori to Lucy Madeira Wing, visionary educators have established schools to teach according to their beliefs and methodologies.