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Foster Dual Language PK-8
Test scores
CMAS 2024-25 . % Met or Exceeded ExpectationsWhat this means: On the CMAS, Colorado's statewide test, about 34 of every 100 students at this school read and write at grade level and about 24 of 100 do math at grade level. Across all Colorado schools, those numbers are about 45 and 36. Reading and writing scores are up about 2 points since 2023, while math scores are up about 5 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 28% of students here test proficient in math and reading, compared with the roughly 36% 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 Foster Dual Language PK-8
Foster Dual Language PK-8, a mid-tier elementary school in ARVADA, Colorado, part of Jefferson County School District No. R-1, enrolls 454 students, covering grades pre-K through 8.
Jefferson County School District No. R-1 comprises 148 schools with combined enrollment of 74,935 students; Foster Dual Language PK-8 is among them.
In terms of who attends, Foster Dual Language PK-8 reports that the largest single group is Hispanic, at 76% of enrollment. The remainder consists of 19% White, 4% multiracial. The wider county runs roughly 16% Hispanic, putting the school's mix noticeably more Hispanic than the area baseline.
Looking at school resources, Foster Dual Language PK-8 lists 28 full-time-equivalent teachers, putting the student-to-teacher ratio at about 16.0:1. The state averages about 16.6:1, putting this campus right in line with peers. About 50% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is higher than Jefferson County's rate of about 32%.
After controlling for student poverty, Foster Dual Language PK-8 sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 36.3%; this one delivers 28.3%.
In the area at large, the surrounding county (Jefferson County) shows that 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), Foster Dual Language PK-8 is one campus in the mix.
The closest other public school is Lawrence Elementary School, roughly 0.6 miles away. Within five miles, there are 8 other public schools. Among the 6 schools in that immediate cluster with test data (this one included), Foster Dual Language PK-8 ranks 2nd on composite proficiency, above the local average of 20.2%.
The school occupies a bedroom-community site.
Trend over the last 7 years. Foster Dual Language PK-8's enrollment has fell 10% since 2018, when it stood at 506 (now 454). White enrollment moved from 27% to 19% across the same window. The student-to-teacher ratio pulled in from 17.7:1 in 2018 to 16.0:1 today.
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Jefferson County at a glance
View full county profileQuick facts
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