Student Size Range: 67
312
Avg. Student Size: 177
Average Private School Student Size (2025)
State
Average School Size
Largest Schools
Rank: #11.
312 students
Rank: #22.
306 students
Rank: #33.
245 students
Rank: #44.
226 students
Rank: #55.
216 students
Rank: #66.
211 students
Rank: #77.
205 students
Rank: #8-98-9.
204 students
Rank: #8-98-9.
204 students
Rank: #1010.
203 students
Rank: #1111.
201 students
Rank: #1212.
197 students
Rank: #1313.
195 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.
194 students
Rank: #1515.
190 students
Rank: #1616.
184 students
Rank: #1717.
182 students
Rank: #18-1918-19.
181 students
Rank: #18-1918-19.
181 students
Rank: #2020.
180 students
Rank: #2121.
178 students
Rank: #22-2322-23.
177 students
Rank: #22-2322-23.
177 students
Rank: #2424.
175 students
Rank: #2525.
172 students
Rank: #2626.
171 students
Rank: #27-2827-28.
170 students
Rank: #27-2827-28.
170 students
Rank: #2929.
168 students
Rank: #30-3130-31.
166 students
Rank: #30-3130-31.
166 students
Rank: #32-3432-34.
165 students
Rank: #32-3432-34.
165 students
Rank: #32-3432-34.
165 students
Rank: #35-3635-36.
164 students
Rank: #35-3635-36.
164 students
Rank: #37-3837-38.
158 students
Rank: #37-3837-38.
158 students
Rank: #3939.
139 students
Rank: #4040.
138 students
Rank: #4141.
134 students
Rank: #4242.
132 students
Rank: #4343.
130 students
Rank: #4444.
124 students
Rank: #4545.
122 students
Rank: #4646.
118 students
Rank: #4747.
111 students
Rank: #4848.
110 students
Rank: #4949.
98 students
Rank: #5050.
95 students
Frequently Asked Questions
What is the national average private school student size?
The national average private school student size is 177 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 Billings Catholic Schools.
What is the state with the largest average private school student size?
The state with the largest average private school student size is Louisiana.
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