The top reported proficiency rate is 27% in English language arts. The lowest is 21% in Math.
Original Research by School Decision on Southwest Schools Mangum El Campus
Southwest Schools Mangum EL Campus is a charter elementary school in Houston serving kindergarten through fifth grade. The school enrolls students across six grade levels, with a student body that is almost entirely Hispanic and economically disadvantaged. Nearly all students qualify for free or reduced-price lunch, reflecting the high-poverty neighborhood the school serves on Houston's west side.
The school's most recent test results show weak proficiency levels across both English language arts and math. In ELA, fewer than one in five third graders met the state standard, and fourth graders performed even lower. Fifth grade showed improvement with just over half meeting proficiency in ELA, but math results across all tested grades remained significantly below passing thresholds, with fourth graders at roughly one in ten. Science proficiency in fifth grade was similarly low at just under a quarter of students. When measured against other elementary schools in Harris County, Mangum's overall proficiency index places it in the bottom quartile—a clear sign that academic performance lags substantially behind peer schools districtwide.
Two caveats matter here. The school administers the Spanish-language version of the state test for many students, particularly in third and fourth grade math and ELA, which reflects the school's bilingual mission. Small numbers of test takers in some grades create volatility; for example, fewer than a dozen third graders took the Spanish math test. Second, the school is one of two campuses in Southwest Public Schools, and the district earned a B rating on the state's A-F accountability scale for 2024-25, though individual campus ratings vary sharply. Mangum's sibling campus, Bissonnet Elementary, received a D. Families considering Mangum should understand that the school is part of a charter system intentionally serving high-need students—including a substantial share enrolled in bilingual and English-learner programs—and should look into the school's specific instructional approaches and support systems directly with the campus leadership.
The neighborhood around the school reflects Houston's mixed-use, non-zoned landscape, where residential blocks sit near commercial corridors. Housing costs in the zip code are below the state average, and rental rates have declined slightly over the past year, making the area accessible to working families. The broader Houston region is experiencing rapid population growth, though that growth is increasingly shifting to outer suburban counties. Schools in closer-in neighborhoods like this one face stable or modest demographic pressures rather than explosive expansion.
Mangum is a small school by elementary standards, with enrollment distributed fairly evenly across grade levels. That size can support closer relationships between staff and families, though it also means fewer resources for specialized programs or deep course breadth typical of larger districts. Parents seeking a bilingual pathway or a school deeply focused on serving English learners may find the school's mission aligned with their goals. Parents whose children are native English speakers or who prefer schools with higher achievement outcomes relative to their peer group should carefully review the data with school staff before enrolling.
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