














SGT William G Harrell Middle
2825 N FM 491, Mercedes, TX 78570 · (956) 514-2300 · Part of Mercedes Independent School District
Mercedes’ School Grade C better than 28% of Texas school districts
What stands out about SGT William G Harrell Middle
- Its own letter, D−: reading and math results near the bottom of Texas’s public schools
- Math proficiency 31 pts below the state
- Reading / language arts 24 pts below the state
- Enrollment down 27.5% since 2020–21
- Next stop for Mercedes kids: Mercedes H S
On the path
Where Mercedes kids come from and go next. The whole path →
Test scores
2020–21Its own letter, D−, places these results among Texas’s 7,796 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).
Location
Directions ↗














2825 N FM 491, Mercedes
Students
Down 27.5% since 2020–21.
As reported to NCES, share of students with a reported race or ethnicity.
Parents talk
Questions and answers about SGT William G Harrell Middle from Mercedes families.
Other schools in Mercedes Independent School District
School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Texas’s other public schools; Mercedes’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.