Community prompt from u/allk12. Replies below.
MERCEDES H S
Test scores
STAAR 2023-24 . % Meets Grade Level or AboveBeatsExpectations
Demographically-adjusted score · methodology7-year change
SY 2017-18 vs SY 2024-25About MERCEDES H S
As a mid-sized four-year high school in MERCEDES, Texas, MERCEDES H S works with 903 students from grades 9 through 12, one of the schools within MERCEDES ISD.
MERCEDES ISD runs 11 schools in total, collectively educating 4,207 students. MERCEDES H S is one of those campuses.
Demographically, MERCEDES H S reports that nearly all students (98%) are Hispanic.
On the income-and-resources front, On paper, MERCEDES H S has 61 full-time-equivalent teachers, translating to a class-load average of around 14.8:1. That tracks the state average closely. Roughly 92% of students at MERCEDES H S qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.
With demographic context factored in, MERCEDES H S tracks the demographic baseline. The model predicts 33.7% given the school's FRL share; actual proficiency is 24.8%.
In the broader community, the surrounding county (Hidalgo County) reports that median household earnings sit near $54,338, roughly 21% of adults have completed at least a four-year degree, and the poverty rate sits near 23%. Across Hidalgo County's 364 public schools (combined enrollment of about 212,859 students), MERCEDES H S is one campus in the mix.
TRAVIS EL is the nearest neighboring public school, about 0.6 miles from this campus. Within five miles, there are 8 other public schools. On composite proficiency, MERCEDES H S comes 4th of 5 in the immediate cluster, beneath the nearby-schools average of 29.9%.
The campus sits in an outer-ring setting.
Looking at the recent track record. Over the past 7-year window, the student count contracted 18%: 1,096 students in 2018 compared to 903 in 2025. Class-load math has widened: from 12.5:1 in 2018 to 14.8:1 in 2025.
Within the allk12 community for this school, the feed for MERCEDES H S typically covers school events, parent volunteer needs, and clubs. Members of the school community can share what they know.
Hidalgo County at a glance
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