For the 2026-27 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 81% (majority Hispanic).
Best Public High Schools in Union County (2026-27)
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 | 50 students Student-teacher ratio: 7:1 Minority enrollment: 26%
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 | 121 students Student-teacher ratio: 8:1 Minority enrollment: 66%
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%
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 81% (majority Hispanic).
Recent Articles
What Makes an Elementary School Feel Supportive?
Discover what makes one elementary school more supportive than another, from teacher relationships and family communication to classroom attention, belonging, student services, leadership, routines, and responsive academic support systems.
Second School Tour: Questions Parents Forget to Ask
A second school tour can reveal what families miss initially. Learn which questions to ask about teachers, support, schedules, safety, communication, programs, and everyday student life before enrolling.
Attendance Policies Are Changing: Parent Guide 2026
Attendance policies are changing across public schools. Learn what parents should examine about absences, tardiness, interventions, flexibility, communication, and student support before choosing a school for their child today.