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Alamosa County

Colorado · Public K-12

Public schools in Alamosa County, Colorado total 8, with combined enrollment of about 2,294 students against a county population of 16,581. That breaks down as 3 elementary, 1 middle, and 4 high.

7-year change in Alamosa County

SY 2017-18 vs SY 2024-25
Total enrollment
2,294
-352 (-13%) vs SY 2017-18
School count
8
+2 (+33%) vs SY 2017-18
% White
35%
was 34%
% Hispanic
59%
was 61%
% Black
1%
was 1%
% Asian
1%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
8
2 districts
Enrollment
2,294
NCES CCD
Median income
$55,397
Below Colorado avg
Free/reduced lunch
75.5%
Above Colorado avg
Elementary
3
1,020 students
Middle
1
471 students
High
4
803 students
Combined / other
0
schools
LARGEST DISTRICT
Alamosa School District No. Re-11J
2,038 students · 2 districts in Alamosa County

County vs. school enrollment demographics

Left bar is the racial makeup of Alamosa County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".

County residents
White
58%
Hispanic
48%
Black
2%
Asian
1%
Two or more
26%
Native American
4%
Pacific Islander
0%
School enrollment
White
35%
Hispanic
59%
Black
1%
Asian
1%
Two or more
2%
Native American
2%
Pacific Islander
0%
Bachelor's+
32.4%
adults 25+
Poverty rate
12.4%
ACS 5-year
Unemployment
3.7%
civilian labor
Median age
33
23.8% under 18

Test scores in Alamosa County

Latest 2024-25 ELA proficiency, 2 schools ranked. Colorado state average: 44.9%.

See all 2 schools in Alamosa County ranked by score →

All schools (8)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
Alamosa High SchoolAlamosaHigh09-12568·
Alamosa Elementary School 3-5AlamosaElementary03-05473·
Ortega Middle SchoolAlamosaMiddle06-08471·
Alamosa Elementary School K-2AlamosaElementaryKG-02437·
Sangre de Cristo Undivided High SchoolMoscaHigh06-12146·
Sangre de Cristo Elementary SchoolMoscaElementaryPK-05110·
Alamosa Alternative Education SchoolAlamosaHigh06-1260·
Alamosa OnlineAlamosaHigh06-1229·

Cities in Alamosa County

Alamosa6 schoolsMosca2 schools

About Alamosa County

Alamosa County is a sparse Colorado county of about 16,581 residents, home to 8 public schools and roughly 2,294 students.

Stepping back, census numbers show typical household earnings sit around $55,397, roughly 32% of adults have completed at least a four-year degree, and the federal-poverty share is near 12%. That income level is 28% below the Colorado median.

On the school-mix side, Alamosa County comprises 3 elementary schools (1,020 students), 1 middle school (471), and 4 high schools (803).

Alamosa School District No. Re-11J is the biggest district by enrollment, covering about 2,038 students across Alamosa County.

Over the past 7-year window. Across the same 7-year window, public-school enrollment shrank 13%: 2,646 students in SY 2017-18 versus 2,294 in SY 2024-25. Alamosa County now counts 8 public schools, up from 6 in SY 2017-18.

Within the allk12 community for this area, the community for Alamosa County discusses school events, board meetings, and seasonal calendars. Discussions cut across districts, schools, and grade levels.

Frequently asked questions

How many public schools are in Alamosa County?
Alamosa County, Colorado has 8 public K-12 schools serving approximately 2,294 students.
How many high schools are in Alamosa County?
Alamosa County, Colorado has 4 public high schools, serving approximately 803 students.
How many middle schools are in Alamosa County?
Alamosa County, Colorado has 1 public middle school, serving approximately 471 students.
How many elementary schools are in Alamosa County?
Alamosa County, Colorado has 3 public elementary schools, serving approximately 1,020 students.
What is the largest school district in Alamosa County?
Alamosa School District No. Re-11J is the largest school district in Alamosa County, serving approximately 2,038 students. The county contains 2 school districts overall.
What is the population of Alamosa County?
Alamosa County, Colorado has a population of approximately 16,581, with a median age of 33. About 23.8% of residents are under 18.
What is the median household income in Alamosa County?
Median household income in Alamosa County is $55,397, below the Colorado average of $77,440. About 12.4% of residents live below the federal poverty line.
How educated are residents of Alamosa County?
Approximately 32.4% of adults 25 and older in Alamosa County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Alamosa County qualify for free or reduced lunch?
Roughly 75.5% of students in Alamosa County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is higher than the Colorado county average of 50.3%.
What is the student-teacher ratio in Alamosa County schools?
Across Alamosa County public schools, the enrollment-weighted student-teacher ratio is approximately 14.3 to 1.

Alamosa County school rankings

Largest schoolsAll rankings →
DATA · Census ACS 5-year · NCES Common Core of Data