Summary:
Zip code 78009, serving the Castroville, Texas area, is home to three public schools within the Medina Valley Independent School District (Isd), which holds a 3-star rating and ranks in the 59th percentile statewide.
The standout school in the area is Castroville Elementary, a 4-star school ranked in the 79th percentile. It dramatically outperforms district and state averages, particularly in 5th-grade Math (71.15% proficiency vs. 46.29% district) and Science (54.63% proficiency vs. 30.42% district). In contrast, Medina Valley Middle has an overall average 3-star rating (56th percentile), but boasts an exceptional Algebra I program with a 92.45% proficiency rate—nearly double the state average. However, its 8th-grade Social Studies scores are a notable weakness at just 17.94% proficiency. Medina Valley High School is a consistent performer with a 94.2% graduation rate and strong scores in Biology (77.76%) and U.S. History (77.61%), but its overall ranking has declined from the 78th to the 63rd percentile, and its Algebra I proficiency (41.86%) lags 12 points behind the state average.
A key takeaway is the disconnect in the feeder pattern: students leave Castroville Elementary with strong math and science foundations, but by high school, general math scores drop below state averages. This suggests the middle school's general math curriculum may not build effectively on elementary success, while the high school's Algebra I course presents a significant hurdle for students who did not take it in 8th grade. Socioeconomic status is moderate, with free/reduced lunch rates ranging from 49.58% to 58.69% across schools, and per-student spending is consistent at $9,382 to $10,133.
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