| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Olentangy Local School District | Lewis Center | 10/10 Excellent · 93rd pct | 23,281 | 27 | PK–12 | 3 |
| Big Walnut Local School District | Galena | 8/10 Good · 78th pct | 4,172 | 8 | PK–12 | 2 |
| Buckeye Valley Local School District | Ashley | 8/10 Good · 72nd pct | 2,186 | 4 | PK–12 | 4 |
| Westerville City School District | Westerville | 6/10 Average · 56th pct | 14,571 | 23 | PK–12 | 1 |
| Delaware City School District | Delaware | 5/10 Average · 47th pct | 5,595 | 7 | PK–12 | 1 |
How Delaware County compares
Together they enroll 49,805 students across 69 schools. The largest is Olentangy Local School District with 23,281 students. Districts here average 7.4/10, above the Ohio average of 5.5/10. Ratings range from 5/10 to 10/10.
School Districts in Delaware County, Ohio
Delaware County has 5 public school districts covering 11 zip codes. The top-rated district in Delaware County is Olentangy Local School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (Ohio State Tests 2024–25), ranked against all districts in Ohio. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.
Frequently Asked Questions
How many school districts are in Delaware County, OH?
5 school districts serve zip codes in Delaware County, OH. This page lists each one with its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Delaware County, OH?
Of the districts serving Delaware County, Olentangy Local School District has the highest rating on this site at 10/10. That places it in the 93rd percentile among Ohio school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Ohio reading and math assessments, ranked against other districts in Ohio and converted to a 1–10 scale. Percentiles compare districts within Ohio only, never across state lines.