MCKINNEY H S

Set in MCKINNEY, Texas, MCKINNEY H S is a substantial 9-12 campus, run under MCKINNEY ISD. It teaches 2,668 students across grades 9 through 12. Compared to the state average of about 796 students per school, that is 235% larger than typical.

MCKINNEY H S is one of 33 schools operated by MCKINNEY ISD, a district that works with 23,296 students overall.

In terms of who attends, MCKINNEY H S shows that the largest single group is White at 37%, but no single group is in the majority. Other groups include 35% Hispanic, 19% Black, 5% Asian, 4% multiracial. The wider county runs roughly 54% White, putting the school's mix visibly less White than the area baseline.

Looking at the economic backdrop, MCKINNEY H S shows 181 full-time-equivalent teachers, putting the student-to-teacher ratio at about 14.7:1. That tracks the state average closely. Around 41% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. That share is above Collin County's rate of about 30%.

On a demographically-adjusted basis, MCKINNEY H S performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 55.9%, the actual is 61.8%, a residual of +5.8 points.

In the surrounding community, Collin County reports that median household earnings sit near $121,600, about 56% of the adult population holds a bachelor's degree or above, and the poverty rate sits near 5%. Across Collin County's 338 public schools (combined enrollment of about 227,575 students), MCKINNEY H S is one campus in the mix.

Nearest neighbor: ALBERT & IOLA LEE DAVIS MALVERN EL, around 0.6 miles off. Within five miles, there are 8 other public schools. Among the 7 schools in that immediate cluster with test data (this one included), MCKINNEY H S ranks 2nd on composite proficiency, ahead of the local average of 43.6%.

The school occupies an outer-ring site.

Looking at the recent track record. MCKINNEY H S's enrollment has contracted 10% since 2018, when it stood at 2,958 (now 2,668). White enrollment moved from 45% to 37% across the same window. Class-load math has fell: from 16.6:1 in 2018 to 14.7:1 in 2025.

Within the allk12 community for this school, the page collects discussion, questions, and updates around open house dates, ride-share offers, and field-trip permission slips. Contributors range from current parents to recent graduates and teachers.