SGT WILLIAM G HARRELL MIDDLE

SGT WILLIAM G HARRELL MIDDLE, a compact middle-grades school in MERCEDES, Texas, one of the schools within MERCEDES ISD, teaches 390 students, covering grades 6 through 8. That puts it 39% below the typical public school in Texas, which averages around 643 students.

MERCEDES ISD runs 11 schools in total, collectively educating 4,207 students. SGT WILLIAM G HARRELL MIDDLE is one of those campuses.

For racial and ethnic makeup, SGT WILLIAM G HARRELL MIDDLE logs that nearly all students (97%) are Hispanic. Beyond that, the school shows 3% White.

On the resource side, Staff filings list 31 full-time-equivalent teachers, which works out to roughly 12.5:1 students per teacher. The state averages around 14.4:1, so this campus is tighter than the state norm typical. An estimated 98% of students are eligible for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. By comparison, Hidalgo County runs at roughly 85%, so the school's eligibility rate is meaningfully above the surrounding baseline.

On a demographically-adjusted basis, SGT WILLIAM G HARRELL MIDDLE tracks the demographic baseline. The model predicts 31.2% given the school's FRL share; actual proficiency is 23.5%.

In the broader community, the surrounding county (Hidalgo County) shows that median household earnings sit near $54,338, 21% of adults hold a bachelor's degree or higher, and the poverty rate sits near 23%. SGT WILLIAM G HARRELL MIDDLE is one of 364 public schools in Hidalgo County (combined enrollment of about 212,859 students).

Nearest neighbor: TAYLOR EL, around 1.4 miles off. Within five miles, there are 8 other public schools. Among the 5 schools in that immediate cluster with test data (this one included), SGT WILLIAM G HARRELL MIDDLE ranks 4th on composite proficiency, behind the local average of 50.2%.

The campus sits in a small-town setting.

Five-year trend. Looking back 7 years, enrollment at SGT WILLIAM G HARRELL MIDDLE has ticked down 34%, going from 595 students in 2018 to 390 in 2025.

On allk12, the feed for SGT WILLIAM G HARRELL MIDDLE typically covers pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.