Counties With Highest Average Public School Math Proficiency in Each State

Listed below are counties with the highest average math proficiency in each state.
Math Proficiency Range: 22% 68% Avg. Math Proficiency: 41%

Counties With Highest Average Public School Math Proficiency in Each State (2026)

County
Average Math Proficiency
School Math Proficiency

Frequently Asked Questions

What counties have the public schools with the highest math proficiency?
The counties with the highest math proficiency are Alleghany County, VA (92% average math proficiency), Winneshiek County, IA (84% average math proficiency) and Mercer County, OH (80% average math proficiency).

Recent Articles

When “Free Public School” Still Isn’t Free
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.

Did You Know?

The state with highest average public school math proficiency is Iowa, with 68%. The state with lowest average public school math proficiency is District Of Columbia, with 22%.