Total enrollment
176,727
-19,628 (-10%) vs SY 2020-21
274 schools in HOUSTON ISD
Texas · 176,727 students · 2 cities
HOUSTON ISD (Texas) covers 274 public K-12 schools and approximately 176,727 students, averaging 645 per school.
4-year change in HOUSTON ISD
SY 2020-21 vs SY 2024-25School count
273
+1 (+0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How HOUSTON ISD ranks
Among districts| Measure | This district | In Texas | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 46.6% | #337 of 667 | N/A |
| Enrollment ranked largest first | 176,727 | #1 of 760 | #12 of 9,234 |
| Number of schools ranked most first | 273 | #1 of 760 | N/A |
| Students per teacher ranked fewest first | 16.1:1 | #648 of 758 | #6,485 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 79.3% | #142 of 750 | #1,266 of 8,164 |
| Diversity index ranked most diverse first | 56.4% | #225 of 557 | #2,139 of 6,853 |
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Inside HOUSTON ISD
State test results across the district's 251 scored schools run from Carnegie Vanguard High School at 98.2% proficient to Martinez C Elementary School at 20.2%, a gap of 78.0 points. That is the 4th widest gap among 352 Texas districts with four or more scored schools.
Since 2017-18, the 263 district schools that reported both years went from 202,947 to 165,974 students (down 18%) and from 11,756 to 10,597 full-time teachers (down 10%), as of 2024-25.
Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
About HOUSTON ISD
As a moderately sized district in Texas, HOUSTON ISD teaches 176,727 students across 274 schools.
On the school-mix side, HOUSTON ISD is made up of 181 elementary, 42 middle, 47 high schools, and 4 combined or other.
Trend over the past 4 years. Across the same 4-year window, public-school enrollment fell 10%: 196,355 students in SY 2020-21 versus 176,727 in SY 2024-25. The school count climbed from 272 to 273 across the same 4-year window.
Within the allk12 community for this area, the community for HOUSTON ISD discusses school events, board meetings, and seasonal calendars. Members of the local community share what they see day-to-day.