Summary:
The three public schools in zip code 75946, serving grades PK-12 within the Garrison Independent School District (Isd), offer a small-town educational environment with a total enrollment of about 733 students and notably low student-teacher ratios ranging from 9.5 to 13.4 to one.
Garrison Middle stands out as the district's top performer, consistently earning a 4-star rating and ranking in the 72nd to 78th percentile statewide. It is a powerhouse in mathematics, with 8th graders achieving a remarkable 94.12% proficiency rate in Algebra I—a high school-level course. In contrast, Garrison High School shows a split personality: it boasts a perfect 100% graduation rate and strong humanities scores (67.92% in English II Reading and 73.91% in U.S. History), yet its Algebra I proficiency (39.58%) lags 15 points behind the state average. Garrison Elementary is the most improved school, jumping from the 51st to the 80th percentile over three years, though its test scores show year-to-year volatility, such as 3rd-grade Reading swinging from 32.2% to 52.83% proficiency.
A key takeaway is the resource efficiency puzzle: the middle school achieves its 4-star rating with the lowest per-student spending ($8,817) and a higher student-teacher ratio (13.4:1), while the high school spends the most ($12,710) and has the smallest classes (9.5:1) but holds a 3-star rating with a declining state rank. This suggests that factors beyond spending—such as curriculum alignment and instructional strategies—drive success, particularly in the middle school's math pipeline. For parents, the district offers strong foundational support in early grades and humanities, but the high school's math weakness is a critical area to monitor.
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