For the 2025-26 school year, there are 3 public high schools serving 772 students in Castro County, TX.
The top ranked public high schools in Castro County, TX are Nazareth School, Hart Isd and Dimmitt High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Castro County, TX public high schools have an average math proficiency score of 53% (versus the Texas public high school average of 38%), and reading proficiency score of 57% (versus the 47% statewide average). High schools in Castro County have an average ranking of 9/10, which is in the top 20% of Texas public high schools.
Castro County, TX public high school have a Graduation Rate of 87%, which is less than the Texas average of 90%.
The school with highest graduation rate is Dimmitt High School, with ≥95% graduation rate. Read more about public school graduation rate statistics in Texas or national school graduation rate statistics.
Minority enrollment is 68% of the student body (majority Hispanic), which is less than the Texas public high school average of 74% (majority Hispanic).
Best Public High Schools in Castro County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Nazareth School
(Math: 80-84% | Reading: 75-79%)
Rank:
Rank:
10/
Top 5%10
101 S First St
Nazareth, TX 79063
(806) 945-2231
Nazareth, TX 79063
(806) 945-2231
Gr: PK-12 | 247 students Student-teacher ratio: 12:1 Minority enrollment: 14%
Rank: #22.
Hart Isd
(Math: 35-39% | Reading: 65-69%)
Rank:
Rank:
7/
Top 50%10
710 2nd St
Hart, TX 79043
(806) 938-2141
Hart, TX 79043
(806) 938-2141
Gr: PK-12 | 212 students Student-teacher ratio: 12:1 Minority enrollment: 94%
Rank: #33.
Dimmitt High School
(Math: 30-34% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
1405 Western Cir Dr
Dimmitt, TX 79027
(806) 647-3105
Dimmitt, TX 79027
(806) 647-3105
Gr: 9-12 | 313 students Student-teacher ratio: 10:1 Minority enrollment: 93%
Castro County Public Schools (Closed)
School
Location
Quick Facts
709 2nd St
Hart, TX 79043
(806) 938-2142
Hart, TX 79043
(806) 938-2142
Gr: PK-5 | 127 students Student-teacher ratio: 14:1 Minority enrollment: 98%
Frequently Asked Questions
What are the top ranked public high schools in Castro County, TX?
The top ranked public high schools in Castro County, TX include Nazareth School, Hart Isd and Dimmitt High School.
How many public high schools are located in Castro County?
3 public high schools are located in Castro County.
What is the racial composition of students in Castro County?
Castro County public high schools minority enrollment is 68% of the student body (majority Hispanic), which is less than the Texas public high schools average of 74% (majority Hispanic).
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