Listed below are counties with the most average AP courses (2026).
The county with most average private school AP courses is Marin County, CA with 31 AP courses.
The county with least average private school AP courses is Frederick County, MD with 6 AP courses.
AP Courses Range: 5
22
Avg. AP Courses: 13
Average Private School AP Courses By County (2026)
County
Average AP Courses
Schools with Most AP Courses Offered
Rank: #11.
31
Rank: #22.
30
Rank: #33.
23
Rank: #4-64-6.
22
Rank: #4-64-6.
22
Rank: #4-64-6.
22
Rank: #7-87-8.
21
Rank: #7-87-8.
21
Rank: #9-109-10.
20
Rank: #9-109-10.
20
Rank: #11-1411-14.
19
Rank: #11-1411-14.
19
Rank: #11-1411-14.
19
Rank: #11-1411-14.
19
Rank: #15-2015-20.
18
Rank: #15-2015-20.
18
Rank: #15-2015-20.
18
Rank: #15-2015-20.
18
Rank: #15-2015-20.
18
Frequently Asked Questions
What counties have the private schools with the most AP courses offered?
The counties with the most AP courses offered are Marin, CA (31 average AP courses), Contra Costa, CA (30 average AP courses) and Alexandria City, VA (23 average AP courses).
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