Listed below are counties with the largest average student size (2025-26).
The county with largest average private school student size is Lynchburg City, VA with 679 students.
The county with smallest average private school student size is Siskiyou County, CA with 21 students.
Student Size Range: 67
313
Avg. Student Size: 178
Average Private School Student Size By County (2025-26)
County
Average School Size
Largest Schools
Rank: #11.
679 students
Rank: #22.
580 students
Rank: #33.
505 students
Rank: #44.
495 students
Rank: #55.
459 students
Rank: #66.
412 students
Rank: #77.
407 students
Rank: #88.
403 students
Rank: #99.
401 students
Rank: #1010.
391 students
Rank: #1111.
379 students
Rank: #1212.
360 students
Rank: #1313.
357 students
Rank: #1414.
355 students
Rank: #1515.
352 students
Rank: #16-1716-17.
349 students
Rank: #16-1716-17.
349 students
Rank: #1818.
342 students
Rank: #1919.
339 students
Frequently Asked Questions
What counties have the private schools with the largest student size?
The counties with the largest student size are Lynchburg City, VA (679 students average student size), Orange, NY (580 students average student size) and Sumner, TN (505 students average student size).
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