Summary
Fossil Ridge High School is a large comprehensive public high school in Fort Collins, Colorado, serving 1,846 students in grades 9–12 as part of Poudre School District R-1. For the 2025–2026 school year, Fossil Ridge earned a 5-star rating, ranking 21st of 338 Colorado high schools (94th percentile), and it has consistently ranked in the top 5–7% of the state for nearly a decade.
Academically, Fossil Ridge outperforms district and state averages by wide margins. On the SAT, 86% of 11th graders were proficient in reading/writing (vs. 60% statewide) and 60% in math (vs. 32% statewide). Science is a particular standout: 69.6% proficiency on the 11th-grade CMAS — nearly triple the state rate of 24.8% — the highest among nearby schools. The graduation rate is elite at 97.1%, with near-zero dropout rates. Among nearby comprehensive high schools, Fossil Ridge ranks highest, ahead of Rocky Mountain High School (#58), Fort Collins High School (#71), and Poudre High School (#77). Its closest geographic neighbor, Fort Collins High School, lags on nearly every metric.
The school's biggest outlier is chronic absenteeism: 42.7% of students were chronically absent in 2024–2025, well above the state rate of 28.4%, and even higher in prior years. Despite this, achievement and graduation metrics remain elite, suggesting a strong instructional culture. Fossil Ridge also serves students well across subgroups, ranking in the 88th–94th percentile for Asian, female, male, gifted, and multiracial students, while Hispanic and low-income students saw slight declines from 5-star to 4-star status in recent years — a trend worth monitoring. Overall, Fossil Ridge is a top-tier school combining elite academics, strong graduation outcomes, and a robust STEM focus, with attendance as the clearest area for parents to watch.
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