Compared with Colorado schools serving similar students, Sierra Middle School scored 2.9 points below expected in English and 0.5 points below expected in math (CMAS scale-score points, 2024–2026). In English that puts it in the 35th percentile statewide after adjusting for demographics (raw: 65th), and #35 of 39 neighborhood middle schools in Douglas County Re 1. The difference is within normal year-to-year variation.
English vs. expected
−2.9
±2.4 pts · 35th pct. adjusted
English growth
38
median growth percentile · 0th among look-alikes
Math vs. expected
−0.5
±2.2 pts · 48th pct. adjusted
Math growth
40
median growth percentile · 7th among look-alikes
Met or exceeded expectations, by year
By year
2024
2025
2026
English vs. expected (pts)
−5.9
−0.9
−2.0
English growth (MGP)
37
41
36
Math vs. expected (pts)
−3.0
+0.2
+1.4
Math growth (MGP)
40
44
36
Only 73% of students took the tests; families who opt out may differ from those who test.
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 middle schools.
Neighborhood family income (families with children near the school, NCES): 5.7× the poverty line. Enrollment (K–12): 796. 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.