| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Tomball Independent School District | Tomball | 10/10 Excellent · 95th pct | 21,426 | 22 | PK–12 | 2 |
| Katy Independent School District | Houston | 10/10 Excellent · 92nd pct | 92,667 | 74 | PK–12 | 5 |
| Clear Creek Independent School District | Houston | 9/10 Excellent · 82nd pct | 40,693 | 47 | PK–12 | 5 |
| Deer Park Independent School District | Deer Park | 8/10 Good · 78th pct | 12,263 | 14 | PK–12 | 1 |
| Spring Branch Independent School District | Houston | 8/10 Good · 78th pct | 33,649 | 49 | PK–12 | 5 |
| Klein Independent School District | Houston | 8/10 Good · 74th pct | 53,712 | 52 | PK–12 | 5 |
| Cypress-Fairbanks Independent School District | Houston | 8/10 Good · 71st pct | 118,010 | 91 | PK–12 | 9 |
| La Porte Independent School District | Pasadena | 7/10 Good · 64th pct | 7,100 | 13 | PK–12 | 2 |
| Galena Park Independent School District | Houston | 6/10 Average · 51st pct | 21,392 | 25 | PK–12 | 2 |
| Humble Independent School District | Kingwood | 5/10 Average · 48th pct | 48,758 | 50 | PK–12 | 4 |
| Crosby Independent School District | Crosby | 5/10 Average · 47th pct | 6,717 | 9 | PK–12 | 1 |
| Houston Independent School District | Houston | 4/10 Below Average · 39th pct | 189,934 | 274 | PK–12 | 58 |
| Goose Creek Consolidated Independent School District | Baytown | 4/10 Below Average · 37th pct | 24,431 | 34 | PK–12 | 3 |
| Waller Independent School District | Hockley | 4/10 Below Average · 36th pct | 8,834 | 8 | PK–12 | 1 |
| Pasadena Independent School District | Houston | 4/10 Below Average · 34th pct | 48,726 | 67 | PK–12 | 9 |
| Channelview Independent School District | Channelview | 4/10 Below Average · 30th pct | 9,520 | 11 | PK–12 | 1 |
| Huffman Independent School District | Huffman | 3/10 Below Average · 29th pct | 3,717 | 5 | PK–12 | 1 |
| Alief Independent School District | Houston | 3/10 Below Average · 26th pct | 40,329 | 48 | PK–12 | 4 |
| Spring Independent School District | Houston | 3/10 Below Average · 21st pct | 34,114 | 42 | PK–12 | 4 |
| Sheldon Independent School District | Houston | 2/10 Poor · 15th pct | 10,990 | 13 | PK–12 | 2 |
| Aldine Independent School District | Houston | 2/10 Poor · 10th pct | 60,074 | 79 | PK–12 | 9 |
How Harris County compares
Together they enroll 887,056 students across 1,027 schools. The largest is Houston Independent School District with 189,934 students. Districts here average 5.6/10, below the Texas average of 5.7/10. Ratings range from 2/10 to 10/10.
School Districts in Harris County, Texas
Harris County has 21 public school districts covering 133 zip codes. The top-rated district in Harris County is Tomball Independent School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (STAAR 2023), ranked against all districts in Texas. 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 Harris County, TX?
21 school districts serve zip codes in Harris County, TX. 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 Harris County, TX?
Of the districts serving Harris County, Tomball Independent School District has the highest rating on this site at 10/10. That places it in the 95th percentile among Texas school districts.
How are these school district ratings calculated?
Each rating is the share of students scoring proficient or above on Texas reading and math assessments, ranked against other districts in Texas and converted to a 1–10 scale. Percentiles compare districts within Texas only, never across state lines.