| Medina Valley Independent School District | |
| Conference: | 5A (2023-2024), 6A (2024-2025) |
| Grades: | Pre-K - 12 |
| Superintendent: | Dr. Scott Caloss |
| Website: | http://www.mvisd.com |
| Teachers: | 320 (2023-2024) |
| Staff: | 450 (2023-2024) |
| Students: | 8,500 (2023-2024) |
| Schools: | Elementary - 5 Middle - 2 High - 1 |
| Address: | 8449 FM 471 South |
| Zipcode: | 78009 |
| Free Text: | Region 20 |
Medina Valley Independent School District is a public school district based in Castroville, Texas.
In addition to Lacoste, the district also serves the city of Castroville and the surrounding area. Located in Medina County, a small portion of the district extends into Bexar County.
In 2022, the school district was rated "A" by the Texas Education Agency.[1]
High School (Grades 9–12)
Middle Schools (Grades 6–8)
Elementary Schools (Grades PK-5)