For the 2026 school year, there are 2 public high schools serving 177 students in Union County, NM.
The top-ranked public high schools in Union County, NM are Des Moines High School and Clayton High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Union County, NM public high schools have an average math proficiency score of 35% (versus the New Mexico public high school average of 21%), and reading proficiency score of 49% (versus the 35% statewide average). High schools in Union County have an average ranking of 10/10, which is in the top 10% of New Mexico public high schools.
Union County, NM public high school have a Graduation Rate of 84%, which is more than the New Mexico average of 76%.
The school with highest graduation rate is Clayton High School, with 80-89% graduation rate. Read more about public school graduation rate statistics in New Mexico or national school graduation rate statistics.
Minority enrollment is 56% of the student body (majority Hispanic), which is less than the New Mexico public high school average of 79% (majority Hispanic).
Best Public High Schools in Union County (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Des Moines High School
(Math: 40-59% | Reading: 40-59%)
Rank:
Rank:
9/
Top 20%10
500 Des Moines Avenue
Des Moines, NM 88418
(575) 278-2611
Des Moines, NM 88418
(575) 278-2611
Gr: 7-12 | 58 students Student-teacher ratio: 8:1 Minority enrollment: 29%
Rank: #22.
Clayton High School
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
7/
Top 50%10
323 South 5th St
Clayton, NM 88415
(575) 374-9611
Clayton, NM 88415
(575) 374-9611
Gr: 9-12 | 119 students Student-teacher ratio: 13:1 Minority enrollment: 69%
Union County Public Schools (Closed)
School
Location
Quick Facts
Amistad Charter (Closed 2009)
Charter School
P.o. Box 168
Amistad, NM 88410
(505) 633-2283
Amistad, NM 88410
(505) 633-2283
Gr: PK-8 | 26 students Minority enrollment: 35%
224 Spruce St
Clayton, NM 88415
(575) 374-9611
Clayton, NM 88415
(575) 374-9611
Gr: 5-6 | 54 students Student-teacher ratio: 9:1 Minority enrollment: 69%
Frequently Asked Questions
What are the top-ranked public high schools in Union County, NM?
The top-ranked public high schools in Union County, NM include Des Moines High School and Clayton High School.
How many public high schools are located in Union County?
2 public high schools are located in Union County.
What is the racial composition of students in Union County?
Union County public high schools minority enrollment is 56% of the student body (majority Hispanic), which is less than the New Mexico public high schools average of 79% (majority Hispanic).
Recent Articles
Spring Parent-Teacher Conferences: Key Questions
Spring Parent-Teacher Conferences: Questions Every Parent Should Ask to support academic growth, social development, and 2026 classroom goals.
Prepare for Spring Tests Without Anxiety
Learn how to prepare for spring standardized tests without increasing anxiety using proven strategies for families and schools.
Why Public Schools Are Launching Marketing Campaigns in 2026
Discover why public schools are launching marketing campaigns in 2026 and how enrollment shifts, school choice, and funding pressures are driving change.