Summary:
Zip code 78330 is home to a single high school, Agua Dulce High School, which serves grades 6 through 12 with a total enrollment of 243 students and is part of the Agua Dulce Independent School District (Isd).
Agua Dulce High School presents a mixed picture of performance. On the positive side, the school boasts a perfect 100% graduation rate and a 0% dropout rate for the 2023-2024 school year, indicating a strong commitment to student completion. It also excels in Social Studies and History, with 71.88% of 8th graders proficient in Social Studies (more than double the state average of 31.69%) and 90.91% of students proficient in U.S. History (EOC), significantly outpacing the state average of 70.17%. However, the school faces a significant challenge in mathematics. Only 14.71% of 6th graders and 21.43% of 8th graders were proficient in math, compared to state averages of 38.57% and 47.24%, respectively. This persistent weakness in math has contributed to a declining state ranking, dropping from the 83rd percentile (4 stars) in 2023-2024 to the 67th percentile (3 stars) in 2025-2026.
Despite a favorable student-teacher ratio of 12.2 and spending of $12,650 per student (above the Texas state average), the school struggles to achieve state-average proficiency in mathematics. The math proficiency data also shows significant year-over-year volatility, likely due to small cohort sizes. For example, 6th-grade math proficiency dropped from 34.62% to 14.71% between the 2024-2025 and 2025-2026 school years. As a combined middle and high school, academic weaknesses in the middle school years directly impact the high school's overall performance and student preparedness for advanced coursework. With 68.31% of students eligible for free or reduced lunch, the school serves a predominantly economically disadvantaged population.
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