Best Public Schools in Zip Code 80403

Zip code 80403 is home to 4 schools within the Jefferson County School District No. R-1, offering educational options from preschool through 12th grade despite having no standalone middle or high school. The area features two traditional elementary schools, Fairmount Elementary School and Mitchell Elementary School, along with Compass Montessori - Golden Charter School, an alternative PK–12 school, and Jefferson Academy Coal Creek Canyon, a small PK–8 school with just 59 students. With low free/reduced lunch rates across the area, these schools generally perform well above state averages.

Fairmount Elementary School and Mitchell Elementary School are the standout performers, ranking 52nd and 54th in Colorado respectively — both in the 94th percentile with 5-star ratings. Fairmount posts exceptional CMAS scores with 74.8% proficiency in both ELA and math, and has the lowest chronic absenteeism rate in the group at 4.9%, compared to the state average of 28.4%. Mitchell leads the zip code in ELA proficiency at 76.6% and 5th-grade science at 72.6%, far exceeding district and state averages, though its math proficiency of 66.0% trails Fairmount's by a noticeable margin.

Mathematics is the most consistent concern across the zip code. Compass Montessori - Golden Charter School posts CMAS math proficiency of just 32.3%, and Jefferson Academy Coal Creek Canyon sits at 36.6% despite a remarkable 7.6:1 student-teacher ratio. However, Compass excels at the secondary level with a 93.5% graduation rate and 86% SAT Reading/Writing proficiency, making it a strong literacy-focused option. Jefferson Academy shows a 33.4-point gap between ELA and math — the largest in the area. Every school in the zip code has chronic absenteeism rates below district and state averages, making 80403 a consistently strong choice for families.