For the 2026 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 (2026)
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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