Compared with Colorado schools serving similar students, Lewis-Arriola Elementary School scored 6.4 points above expected in English and 7.3 points above expected in math (CMAS scale-score points, 2024–2026). In English that puts it in the 81st percentile statewide after adjusting for demographics (raw: 78th), and #1 of 3 neighborhood elementary schools in Montezuma-Cortez RE-1.
English vs. expected
+6.4
±5.2 pts · 81st pct. adjusted
English growth
50
median growth percentile · 52nd among look-alikes
Math vs. expected
+7.3
±4.9 pts · 84th pct. adjusted
Math growth
45
median growth percentile · 20th among look-alikes
Met or exceeded expectations, by year
By year
2024
2025
2026
English vs. expected (pts)
+3.0
+11.8
+2.1
English growth (MGP)
45
62
41
Math vs. expected (pts)
+9.4
+6.6
+4.2
Math growth (MGP)
50
42
45
Among the 25 most similar schools statewide — English vs. expected (pts)
Most similar on neighborhood income and education, free/reduced lunch, English learners and special education. Blue: above expected; red: below; gray: within normal swings.
Who it serves
The measures behind the comparison
Bars: this school (the area around it for education). Black tick: average of Colorado elementary schools.
Neighborhood family income (families with children near the school, NCES): 2.2× the poverty line. Enrollment (K–12): 117. Education is for adults aged 25–44 — the ages most likely to be parents — because the Census doesn’t publish parents’ education below the district level.
How to read this
Each school’s CMAS scores are compared with what Colorado schools serving similar students score, using a model fit across all neighborhood schools. “Vs. expected” is in CMAS scale-score points; growth is CDE’s median growth percentile (50 is typical). Full method and caveats.