Serving 353 students in grades 9-12, Century Alt High School ranks in the top 10% of all schools in New Mexico for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is <50% (which is higher than the New Mexico state average of 24%). The percentage of students achieving proficiency in reading/language arts is <50% (which is higher than the New Mexico state average of 34%).
The student-teacher ratio of 39:1 is higher than the New Mexico state level of 13:1.
Minority enrollment is 84% of the student body (majority Hispanic), which is higher than the New Mexico state average of 81% (majority Hispanic).
Quick Facts (2026)
- School Type: Alternative school
- Grades: 9-12
- Enrollment: 353 students
- Student-Teacher Ratio: 39:1
- Minority Enrollment: 84%
- Graduation Rate: 42% (Btm 50% in NM)
- Overall Testing Rank: Top 10%
- Math Proficiency: <50% (Top 10%)
- Reading Proficiency: <50% (Top 20%)
- Science Proficiency: <50% (Top 20%)
- Source: National Center for Education Statistics (NCES), NM Dept. of Education
Top Rankings
Century Alt High School ranks among the top 20% of public schools in New Mexico for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Century Alt High School's student population of 353 students has grown by 182% over five school years.
The teacher population of 9 teachers has grown by 28% over five school years.
School Type
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
353 students
Total Classroom Teachers
9 teachers
Year Founded
1905
School Calendar
School Motto
Every Student Matters, Every Moment Counts
School Rankings
Century Alt High School ranks within the top 10% of all 796 schools in New Mexico (based off of combined math and reading proficiency testing data).
The diversity score of Century Alt High School is 0.41, which is less than the diversity score at state average of 0.56. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#68 out of 796 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
<50%
24%
Reading/Language Arts Test Scores (% Proficient)
<50%
34%
Science Test Scores (% Proficient)
<50%
33%
Student-Teacher Ratio
39:1
13:1
American Indian
5%
11%
Asian
n/a
1%
Hispanic
75%
63%
Black
1%
2%
White
16%
19%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Graduation Rate
(20-21)42%
66%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
99%
85%
Eligible for Reduced Lunch (19-20)
1%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NM Dept. of Education
School Notes
- School Mascot: Tigers
Frequently Asked Questions
What is Century Alt High School's ranking?
Century Alt High School is ranked #68 out of 796 schools, which ranks it among the top 10% of public schools in New Mexico.
What percent of students have achieved state testing proficiency in math and reading?
<50% of students have achieved math proficiency (compared to the 24% NM state average), while <50% of students have achieved reading proficiency (compared to the 34% NM state average).
What is the graduation rate of Century Alt High School?
The graduation rate of Century Alt High School is 42%, which is lower than the New Mexico state average of 66%.
How many students attend Century Alt High School?
353 students attend Century Alt High School.
What is the racial composition of the student body?
75% of Century Alt High School students are Hispanic, 16% of students are White, 5% of students are American Indian, 3% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Century Alt High School?
Century Alt High School has a student ration of 39:1, which is higher than the New Mexico state average of 13:1.
What grades does Century Alt High School offer ?
Century Alt High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Century Alt High School part of?
Century Alt High School is part of Los Lunas School District.
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