Flagstone Elementary School

Flagstone Elementary School, a middle-of-the-pack elementary school in CASTLE ROCK, Colorado, operated by Douglas County School District No. Re 1, works with 496 students, covering grades pre-K through 6. That puts it 31% above the typical public school in Colorado, which averages around 379 students.

Within Douglas County School District No. Re 1, which oversees 89 schools and 61,550 students, Flagstone Elementary School is one campus in the system.

In terms of who attends, Flagstone Elementary School reports that 72% of the student body identifies as White. The remainder looks like 18% Hispanic, 7% multiracial.

Looking at school resources, The school lists 29 full-time-equivalent teachers, for a student-teacher ratio near 17.1:1. That tracks the state average closely. Around 21% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy.

On a demographically-adjusted basis, Flagstone Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 53.9%; this one delivers 58.4%.

In the surrounding community, Douglas County reports that median household income runs about $149,594, roughly 62% of adults have completed at least a four-year degree, and roughly 3% of residents live below the federal poverty line. Flagstone Elementary School is one of 92 public schools in Douglas County (combined enrollment of about 63,841 students).

The closest other public school is Mesa Middle School, roughly 0.5 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Flagstone Elementary School comes 2nd of 8 in the immediate cluster, higher than the nearby-schools average of 45.6%.

The school occupies a commuter-belt site.

Five-year trend. Over the past 7-year window, the student count remained close to its prior level: 508 students in 2018 compared to 496 in 2025. White enrollment moved from 78% to 72% across the same window. Class-load math has narrowed: from 18.8:1 in 2018 to 17.1:1 in 2025.

On the community side, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.