About Houston ISD
Houston ISD is a public school system serving Harris County, Texas, based in Houston. It serves 176,727 students across 274 schools spanning PreK–12, and is classified as a city: large district. By enrollment it is the #1 largest of Texas’s 1211 school systems.
Size and structure
Houston ISD enrolls 176,727 students in 274 schools — an average of about 645 students per school. It serves grades PreK–12 and ranks #1 of 1211 statewide by enrollment.
Who the district serves
Student race and ethnicity in Houston ISD, from the NCES Common Core of Data (176,727 students reported):
For economically-disadvantaged, English-learner, and special-education shares, plus school-by-school detail, see the federal sources in the full-data section.
Teachers & staff
Houston ISD employs about 10,960 full-time-equivalent teachers for a student–teacher ratio of 16.1:1 — above the Texas average of about 14.9:1. Total district staff is roughly 23,960.
Counselor and librarian/media counts are not published at the district level in the current NCES release; see the federal full-data links for staffing detail.
How Texas funds schools
District-level per-pupil spending and the local/state/federal revenue split for Houston ISD are published in the federal school-finance files — see the full-data links below for the current figures.
Report card & state results
Texas assigns A–F accountability ratings across Student Achievement, School Progress and Closing the Gaps. Look up Houston ISD’s ratings through the TEA School and District Accountability portal, which links to the TXschools.gov rating lookup.
Accreditation status
Texas accredits public districts itself: the Texas Education Agency assigns each district an accreditation status (Accredited, Accredited-Warned, Accredited-Probation or Not Accredited-Revoked), separate from any voluntary Cognia accreditation. See the Texas Education Agency for a district’s status.
Houston ISD vs. Texas
See every Texas district side by side in the Texas directory.
Look up Houston ISD’s full data
These official sources carry the district-level detail — finances, discipline, equity, test scores, boundaries. Direct links for this district (via its NCES ID):