Summary:
Three high schools serving grades 9–12 make up the high-school landscape in Los Lunas Public Schools in New Mexico — Los Lunas High (1,460 students), Valencia High (960 students), and Century Alt High (353 students), together enrolling 2,773 students. The district ranks 63rd of 87 New Mexico districts — the 28th percentile, with 2 stars — so these schools generally reflect a below-average district context.
Los Lunas High has the strongest conventional profile: a 2024–25 graduation rate of 81.6%, above the district's 77.2% and the state's 80.6%, the lowest student-teacher ratio at 19.4, and the best 2025–26 results of the three. It still trails the state in every core tested area, with math proficiency in the single digits (9.06% all-grades NM Combined Mathematics; 9% SAT). Valencia High was the 2025–26 laggard — 118th of 132, the 11th percentile, 1 star — falling below district and state in nearly every measure, including 23.83% in 11th-grade Language Arts and 4.66% in 11th-grade Mathematics. Its 2024–25 NM-ASR Science score of 41.67% roughly matched the state's 41.69%, then dropped to 19.15% in 2025–26. Century Alt High improved most, climbing from the 5th to the 40th percentile and from 0 to 2 stars, with the top science score among the three (29.17%), but it has the lowest graduation rate (53.5%) and the highest student-teacher ratio (38.3).
Poverty is near-universal: free/reduced lunch is 100% at Los Lunas and Valencia and 99.43% at Century, so it does not distinguish these schools. Rankings and graduation do not move together — Century leads on rank percentile but trails badly on graduation, while Los Lunas leads on graduation. Many values, especially 10th-grade results and Century's math scores, are suppressed by the state, meaning those figures are unknown rather than zero or evidence of failure.
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