Summary:
In zip code 78009, serving the Castroville, TX area, there is one elementary school, Castroville Elementary, which serves grades PK through 5 and is part of the Medina Valley Independent School District (Isd).
Castroville Elementary is a high-performing school with a clear upward trajectory. Over the past three years, its state ranking has improved from the 68th percentile to the 79th percentile, earning a 4-star rating in the most recent school year. The school's overall proficiency across all subjects is approximately 62%, significantly outpacing both the district average of 48% and the state average of 51%. This is particularly impressive given that over half of the student body (52.33%) is economically disadvantaged, showing the school is effectively closing achievement gaps. The school serves 600 students with a student-teacher ratio of 16.6 and spends $10,133 per student.
Standout areas include exceptional performance in 5th grade, where students scored 66.35% in Reading and 71.15% in Math—the highest scores for any grade level and dramatically higher than district and state averages. The school is a true "science oasis," with 5th graders achieving a 54.63% proficiency rate in Science, nearly double the district and state averages. Mathematics is a consistent strength across all grades, with scores averaging 18 percentage points higher than the district and 16 points higher than the state. This sustained improvement and high performance across subjects make Castroville Elementary a standout choice for families in the area.
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