Summary:
Zip code 80138 in Parker, Colorado is home to 9 schools—6 elementary, 2 middle, and 1 high school—serving 7,143 students across two districts: the exceptional Douglas County School District No. Re 1 (ranked 6th of 115 districts in Colorado) and Elizabeth School District (ranked 40th of 115).
The clearest standout is Parker Core Knowledge, ranked 8th of 943 elementary schools (99th percentile) with CMAS ELA proficiency of 89.8% and math of 85.2%—roughly 25–30 points above district averages. It also boasts the lowest chronic absenteeism (4.2%) and lowest free/reduced lunch rate (9.36%) in the zip. Legend High School is the largest school with 2,206 students, delivering a 97.6% graduation rate and strong SAT reading/writing scores (76%), but its math proficiency (39%) trails the district average (44%). Among middle schools, Cimarron Middle is on an upward trajectory, climbing from 134th to 88th in state rankings, while Sierra Middle School has the zip's highest chronic absenteeism at 31.0% and math proficiency of just 45.6% versus the district's 57.2%.
Math is the consistent weakness across 80138: aside from Parker Core Knowledge, no school exceeds the Douglas County district average in math proficiency, and reading scores are much closer to district benchmarks. Chronic absenteeism varies dramatically, from 4.2% at Parker Core Knowledge to 31.0% at Sierra Middle, with Pine Lane Elementary (24.7%), Singing Hills Elementary School (25.8%), and Pioneer Elementary School (22.3%) also elevated. Families should note that Singing Hills belongs to Elizabeth School District despite sharing the 80138 zip code; it outperforms its home district by a wide margin (52.7% ELA vs. 41.8%) yet still ranks below most Douglas County schools. Overall, this is a strong school area, but school-level differences in math achievement and attendance make it critical to evaluate individual schools rather than relying on the zip code's excellent district reputation.
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