For the 2026 school year, there are 5 public schools serving 1,547 students in Castro County, TX.
The top-ranked public 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 schools have an average math proficiency score of 35% (versus the Texas public school average of 44%), and reading proficiency score of 43% (versus the 51% statewide average). Schools in Castro County have an average ranking of 2/10, which is in the bottom 50% of Texas public schools.
Minority enrollment is 80% of the student body (majority Hispanic), which is more than the Texas public school average of 75% (majority Hispanic).
Best Public 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%
Rank: #44.
Dimmitt Middle School
(Math: 26% | Reading: 32%)
Rank:
Rank:
2/
Bottom 50%10
1505 Western Cir Dr
Dimmitt, TX 79027
(806) 647-3108
Dimmitt, TX 79027
(806) 647-3108
Gr: 6-8 | 247 students Student-teacher ratio: 10:1 Minority enrollment: 94%
Rank: #55.
Richardson Elementary School
(Math: 20% | Reading: 34%)
Rank:
Rank:
1/
Bottom 50%10
708 W Stinson St
Dimmitt, TX 79027
(806) 647-4131
Dimmitt, TX 79027
(806) 647-4131
Gr: PK-5 | 528 students Student-teacher ratio: 17:1 Minority enrollment: 92%
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 schools in Castro County, TX?
The top-ranked public schools in Castro County, TX include Nazareth School, Hart Isd and Dimmitt High School.
How many public schools are located in Castro County?
5 public schools are located in Castro County.
What is the racial composition of students in Castro County?
Castro County public schools minority enrollment is 80% of the student body (majority Hispanic), which is more than the Texas public schools average of 75% (majority Hispanic).
Recent Articles
Year-Round Schooling in 2026: Updated Parent Guide
Explore the latest 2026 data, trends, costs, and parent planning tips in the ongoing debate over year-round schooling vs the traditional calendar.
No Child Left Behind: Past, Present, and Future of U.S. School Policy
Explore how No Child Left Behind evolved into ESSA, what it means for 2025‑26 schooling, and what parents need to know about testing, admissions planning, and funding.
Understanding Public School Fees & Optional Costs Guide
Discover what public school fees are required versus optional, with 2026 updates for parents, students, and educators on budgeting and planning.