For the 2026 school year, there are 2 public middle schools serving 120 students in Union County, NM.
The top-ranked public middle schools in Union County, NM are Des Moines High School and Clayton Junior High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Union County, NM public middle schools have an average math proficiency score of 40% (versus the New Mexico public middle school average of 24%), and reading proficiency score of 46% (versus the 34% statewide average). Middle schools in Union County have an average ranking of 10/10, which is in the top 10% of New Mexico public middle schools.
Minority enrollment is 48% of the student body (majority Hispanic), which is less than the New Mexico public middle school average of 78% (majority Hispanic).
Best Public Middle 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 Junior High School
(Math: 30-39% | Reading: 40-49%)
Rank:
Rank:
8/
Top 30%10
224 Spruce St
Clayton, NM 88415
(575) 374-9611
Clayton, NM 88415
(575) 374-9611
Gr: 7-8 | 62 students Student-teacher ratio: 12:1 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%
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 middle schools in Union County, NM?
The top-ranked public middle schools in Union County, NM include Des Moines High School and Clayton Junior High School.
How many public middle schools are located in Union County?
2 public middle schools are located in Union County.
What is the racial composition of students in Union County?
Union County public middle schools minority enrollment is 48% of the student body (majority Hispanic), which is less than the New Mexico public middle schools average of 78% (majority Hispanic).
Recent Articles
Public School Transportation & Commute Planning Guide
Learn how public school transportation and commute planning can help families prepare for the coming school year safely and efficiently.
New Public School Safety Protocols 2025–26 Guide
Learn how new public school safety protocols for 2025–26 affect students, parents, and schools nationwide.
How Technology Transforms Education in 2025
Explore how technology shapes learning today, with updated data, policy context, trends, and real-world implications for students, educators, and families.