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Douglas County School District No. Re 1


At a glance
6thof 115 Colorado districts▲ 3
Better than 94% of Colorado districts
620 Wilcox Street
Castle Rock, CO 80104
·(303) 387-0100·All Colorado district rankings →
Statewide performance 2018–2026
2026: better than 94.8% of districts
88
Schools
61,243
Students
23
5-star schools
Top rankedParker Core Knowledge8th of 943 Colorado elementary schools
Biggest riser
Rock Ridge Elementary School up 153 spots statewide this year
Smallest classes
Daniel C Oakes High School--Castle Rock 9.1 students per teacher
SchoolDigger ratings
5★
4★
3★
9 schools without a SchoolDigger rating (too few tested students)
Summary:

Douglas County School District No. Re 1 serves roughly 61,100 students across 87 schools in Colorado's southern Denver metro area, including 61 elementary, 9 middle, 15 high, and 2 alternative schools that span kindergarten through 12th grade. This is one of Colorado's highest-performing districts, ranking #6 out of 115 districts with a 5-star rating, and its best schools sit among the top 1-5% in the state—while a smaller set of alternative, online, and high-poverty schools struggle significantly, making this a district of extremes rather than uniform excellence.

For parents, the standout elementary schools are Parker Core Knowledge (ranked #8 in Colorado with 89.8% ELA and 85.2% Math proficiency), Eldorado Elementary (#9), and Stone Mountain Elementary (#12). Top middle schools include Rocky Heights Middle School and Mountain Ridge Middle School, while leading high schools are Rock Canyon High School, Mountain Vista High School, and STEM School Highlands Ranch. Charter and choice schools like Platte River Charter Academy and Challenge to Excellence Charter School are strongly represented at the top, but traditional neighborhood schools such as Gold Rush Elementary and Heritage Elementary also perform at elite levels. At the other end, Hope Online Learning Academy County-Op ranks near the bottom with 18% reading and 6% math proficiency, and Sedalia Elementary School and South Ridge Elementary An IB World School also face significant challenges tied to higher poverty and absenteeism.

A few patterns stand out districtwide. Math is the clearest weak spot: ELA proficiency runs 63.8% versus 57.2% for math on CMAS, and the gap widens dramatically on the SAT, with 76% reading proficiency versus just 44% math—at Legend High School it is 76% reading versus 39% math, and at Venture Academy of Leadership and Entrepreneurship a striking 77% versus 13%. High school science also drops sharply, with 11th-grade proficiency at 39.7% districtwide. Chronic absenteeism runs above 20% at several otherwise strong high schools like Douglas County High School and Highlands Ranch High School, even as graduation rates remain high. Finally, notable momentum is visible: Eldorado Elementary jumped from #86 to #9 and Trailblazer Elementary School from #179 to #51, while Legend High School and Castle View High School have slipped over three years, underscoring that school performance can shift noticeably year to year.

AllElementaryMiddleHighAlternative
Ranking:
Map legend
E Elementary M Middle H High A Alternative P Private




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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Colorado Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

Diagnostics