Summary:
Six school records serve students from pre-K through grade 12 in zip code 73086: three elementary schools, one middle school, and two high schools. Proficiency results are available for Sulphur High School, Sulphur Middle School, and Sulphur Intermediate Elementary School; the other three schools have no test-score results in the supplied data. The clearest overall takeaway is that achievement varies sharply by subject and school, especially in science, where proficiency ranges from 15% to 49%.
Sulphur High leads in ELA and math, with 40% proficient in ELA and 32% in math—18 and 7 percentage points above the other two schools’ averages. It is also the lowest in science, at 15%, which is 29 points below Middle and 32 points below the other schools’ average. Sulphur Middle stands out in science at 49%, 19 points above the state; Intermediate is close behind at 44%, 14 points above the state. Intermediate’s math score, 26%, is also 1 point above the state, while its ELA score is 22%.
Recent results point in different directions: from 2024–2025 to 2025–2026, High fell 26 points in ELA, 11 in math, and 14 in science, while Middle improved 1, 4, and 11 points, respectively. Intermediate’s ELA and science dipped 4 and 3 points, while math rose 1. SchoolDigger’s reported percentile for High moved from 92 in 2023–2024 to 63 in 2025–2026; Middle rose from 34 to 65, and Intermediate from 20 to 45. As context, free/reduced lunch eligible rates in 2024–2025 were 56% at High, 56% at Middle, and 73% at Intermediate; these figures do not explain the different results. The schools serve different grade spans, so their all-grades scores are not perfectly comparable.
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