Schools in Zip Code 80435

Zip code 80435 in Dillon, Colorado contains just two schools, both elementary schools serving grades PK through 5 and enrolling a combined 617 students within the Summit School District No. Re 1. Neither a middle school nor a high school exists in this zip code, so families looking beyond elementary grades will need to look elsewhere within the district.

Among the two schools, Summit Cove Elementary School is the clear standout. It ranks in the 58th percentile statewide with a 3-star rating, outpacing Dillon Valley Elementary School, which sits at the 37th percentile with a 2-star rating. Summit Cove beats Dillon Valley by 11.7 percentage points in English Language Arts (46.2% vs. 34.5%) and by 16.9 points in Math (47.3% vs. 30.4%), while also exceeding state averages in both subjects. Summit Cove's 4th grade is particularly strong, with ELA proficiency at 68.6% and Math at 61.1%. Dillon Valley, by contrast, falls below district and state averages in almost every tested subject. Class sizes differ as well: Dillon Valley has a 13.7:1 student-teacher ratio, while Summit Cove enjoys a smaller 11.9:1 ratio.

The two schools also differ in their challenges. Dillon Valley has a higher poverty rate, with 51.14% of students qualifying for free or reduced lunch, compared with 31.98% at Summit Cove. Chronic absenteeism is elevated at both schools — 29.5% at Dillon Valley and 33.3% at Summit Cove — and both exceed the state average of 28.4%, making attendance a district-wide concern. Notably, Dillon Valley's state ranking has declined for three consecutive years, while Summit Cove improved and then settled at a stronger position. For parents, Summit Cove appears to be the stronger academic choice in the area, but both schools share a need for improved attendance and early-grade literacy support, as 3rd grade ELA scores lag at both schools.