Listed below are counties with the highest average SAT scores (2025).
The county with highest average private school SAT score is Suffolk County, MA with 1411.
The county with lowest average private school SAT score is San Mateo County, CA with 1120.
SAT Scores Range: 1169
1312
Avg. SAT Scores: 1231
Average Private School SAT Scores By County (2025)
County
Average SAT Scores
Schools with Highest SAT Scores
Rank: #11.
1411
Rank: #22.
1372
Rank: #33.
1360
Rank: #44.
1342
Rank: #55.
1340
Rank: #66.
1337
Rank: #77.
1320
Rank: #88.
1317
Rank: #9-109-10.
1315
Rank: #9-109-10.
1315
Rank: #1111.
1302
Rank: #1212.
1295
Rank: #1313.
1286
Rank: #1414.
1285
Rank: #1515.
1283
Rank: #1616.
1282
Rank: #1717.
1281
Rank: #18-1918-19.
1280
Rank: #18-1918-19.
1280
Frequently Asked Questions
What counties have the private schools with the highest SAT score?
The counties with the highest SAT score are Suffolk, MA (1411 average SAT), Santa Clara, CA (1372 average SAT) and New Haven, CT (1360 average SAT).
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