| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Coulee-Hartline School District | Coulee City | 10/10 Excellent · 91st pct | 164 | 3 | K–12 | 2 |
| Ephrata School District | Ephrata | 6/10 Average · 51st pct | 2,807 | 8 | PK–12 | 1 |
| Royal School District | Beverly | 5/10 Average · 47th pct | 1,763 | 4 | PK–12 | 2 |
| Moses Lake School District | Moses Lake | 4/10 Below Average · 32nd pct | 8,686 | 20 | PK–12 | 1 |
| Warden School District | Warden | 2/10 Poor · 14th pct | 902 | 3 | PK–12 | 1 |
| Wilson Creek School District | Marlin | 2/10 Poor · 14th pct | 115 | 2 | K–12 | 3 |
| Quincy School District | George | 1/10 Poor · 9th pct | 3,083 | 9 | K–12 | 2 |
| Wahluke School District | Mattawa | 1/10 Poor · 6th pct | 2,536 | 8 | PK–12 | 1 |
| Grand Coulee Dam School District | Electric City | 1/10 Poor · 5th pct | 771 | 3 | PK–12 | 2 |
| Soap Lake School District | Soap Lake | 1/10 Poor · 1st pct | 515 | 3 | PK–12 | 1 |
How Grant County compares
Together they enroll 21,342 students across 63 schools. The largest is Moses Lake School District with 8,686 students. Districts here average 3.3/10, below the Washington average of 5.5/10. Ratings range from 1/10 to 10/10.
School Districts in Grant County, Washington
Grant County has 10 public school districts covering 16 zip codes. The top-rated district in Grant County is Coulee-Hartline School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (SBAC 2024–25), ranked against all districts in Washington. 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 Grant County, WA?
10 school districts serve zip codes in Grant County, WA. 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 Grant County, WA?
Of the districts serving Grant County, Coulee-Hartline School District has the highest rating on this site at 10/10. That places it in the 91st percentile among Washington school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Washington reading and math assessments, ranked against other districts in Washington and converted to a 1–10 scale. Percentiles compare districts within Washington only, never across state lines.