Largest Public School Student Size By County

Listed below are counties with the largest average student size (2025).
The county with largest average public school student size is Oneida County, ID with 1,451 students. The county with smallest average public school student size is Golden Valley County, MT with 23 students.
Student Size Range: 183 752 Avg. Student Size: 512

Largest Public School Student Size By County (2025)

County
Average School Size
Largest Schools (# of Students)

Frequently Asked Questions

What counties have the public schools with the largest student size?
The counties with the largest student size are Oneida County, ID (1,451 students average student size), Forsyth County, GA (1,264 students average student size) and Gwinnett County, GA (1,251 students average student size).

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Did You Know?

The state with largest average public school student size is Georgia , with 752 students. The county with the largest average public school student size is Oneida County, ID with 1,451 students.