| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Harford County Public Schools | Aberdeen | 7/10 Good · 66th pct | 38,037 | 55 | PK–12 | 20 |
How Harford County compares
It enrolls 38,037 students across 55 schools. Its rating of 7/10 is above the Maryland average of 5.7/10.
School Districts in Harford County, Maryland
Harford County has 1 public school district covering 20 zip codes. The top-rated district in Harford County is Harford County Public Schools (7/10). Ratings are based on the share of students proficient in reading and math on state assessments (MCAP 2024–25), ranked against all districts in Maryland. 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 Harford County, MD?
1 school district serves zip codes in Harford County, MD. The table above shows its rating, enrollment, grade span and the zip codes it covers.
What is the best-rated school district in Harford County, MD?
Of the districts serving Harford County, Harford County Public Schools has the highest rating on this site at 7/10. That places it in the 66th percentile among Maryland school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Maryland reading and math assessments, ranked against other districts in Maryland and converted to a 1–10 scale. Percentiles compare districts within Maryland only, never across state lines.