Community prompt from u/allk12. Replies below.
Lumberg Elementary School
Test scores
CMAS 2024-25 . % Met or Exceeded ExpectationsWhat this means: On the CMAS, Colorado's statewide test, about 9 of every 100 students at this school read and write at grade level and about 5 of 100 do math at grade level. Across all Colorado schools, those numbers are about 45 and 36. Reading and writing scores have held steady since 2023, while math scores are up about 2 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 8% of students here test proficient in math and reading, compared with the roughly 15% typical for Colorado schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Colorado's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Lumberg Elementary School
Located at 6705 WEST 22ND AVENUE, in EDGEWATER, Colorado, Lumberg Elementary School is a middle-of-the-pack elementary campus that educates 526 students (grades pre-K through 6), run under Jefferson County School District No. R-1. Enrollment runs roughly 39% bigger than the state mean of about 379.
Across the 148 schools in Jefferson County School District No. R-1 (74,935 students total), Lumberg Elementary School accounts for its share of the district's footprint.
On demographics, Lumberg Elementary School reports that nearly all students (83%) are Hispanic. Other groups include 9% White, 4% Black, 3% multiracial. That is noticeably more Hispanic than the county at large, where the share is closer to 16%.
Looking at the economic backdrop, On paper, Lumberg Elementary School has 33 full-time-equivalent teachers, translating to a class-load average of around 16.1:1. That tracks the state average closely. Around 85% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator. By comparison, Jefferson County runs at roughly 32%, so the school's eligibility rate is meaningfully above the surrounding baseline.
On a demographically-adjusted basis, Lumberg Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 15.0%; this one delivers 8.2%.
In the area at large, census data for Jefferson County shows the typical household earns roughly $110,656 per year, about 52% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 4%. Across Jefferson County's 168 public schools (combined enrollment of about 74,739 students), Lumberg Elementary School is one campus in the mix.
Jefferson Junior/Senior High School is the nearest neighboring public school, about 0.1 miles from this campus. Within five miles, there are 8 other public schools. Among the 7 schools in that immediate cluster with test data (this one included), Lumberg Elementary School ranks 7th on composite proficiency, beneath the local average of 21.8%.
Geographically, the school is in a bedroom-community area.
Five-year trend. Looking back 7 years, enrollment at Lumberg Elementary School has increased 11%, going from 472 students in 2018 to 526 in 2025. The Hispanic share of enrollment edged up from 74% to 83% over that span. Class-load math has pulled in: from 19.9:1 in 2018 to 16.1:1 in 2025.
In the discussion threads here, recent activity here tends to focus on science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.
Jefferson County at a glance
View full county profileQuick facts
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