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Welcome to the Sierra Elementary School community. What's one thing that would make Sierra Elementary School even better?
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Enrollment
493
Elementary
DISTRICT 404 · STATE 379
SCHOOL COMMUNITY·JEFFERSON COUNTY SCHOOL DISTRICT NO. R-1·NCES 080480000781
Sierra Elementary School
7751 OAK STREET, ARVADA, CO 80005 · (303) 982-0821 · Jefferson County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL493 STUDENTS
A
allk12 Grade
Scored higher than 85% of Colorado public elementary schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Colorado public elementary schools
Student : Teacher
17.6:1
28 FTE teachers
DISTRICT 15.9:1 · STATE 16.6:1
Free / Reduced Lunch
13%
62 students
DISTRICT 35% · STATE 50%
Community
6
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Pre-K | 50 | 10% |
| Kindergarten | 81 | 16% |
| Grade 1 | 65 | 13% |
| Grade 2 | 69 | 14% |
| Grade 3 | 77 | 16% |
| Grade 4 | 66 | 13% |
| Grade 5 | 85 | 17% |
This year's kindergarten class (81) is about the same size as its 5th grade class (85).
Student demographics
36%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 52% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CMAS 2024-25 . % Met or Exceeded ExpectationsEnglish Language Arts
65.2%
CO avg 44.9% . +3.7pp since 2023
Math
70.9%
CO avg 36.1% . +6.5pp since 2023
What this means: On the CMAS, Colorado's statewide test, about 65 of every 100 students at this school read and write at grade level and about 71 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 4 points since 2023, while math scores are up about 7 points.
CMAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 65.2% | 70.9% |
| 2023-24 | 61.5% | 64.4% |
% Met or Exceeded Expectations, all students and all tested grades.
Source: CMAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
65.4%
composite math + reading, all grades
Predicted
59.1%
based on CO schools with similar FRL share
Beats by
+6.3pp
above demographic expectation
What this means: About 65% of students here test proficient in math and reading, compared with the roughly 59% 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%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Sierra Elementary School
Sierra Elementary School's state test result (65.4% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Sierra Elementary School this school | 493 | 12.6% | 65.4% |
| Shaffer Elementary School LITTLETON | 497 | 13.7% | 60.7% |
| Sandburg Elementary School CENTENNIAL | 495 | 14.1% | 58.7% |
| Steele Elementary School DENVER | 452 | 13.9% | 75.5% |
| Lois Lenski Elementary School CENTENNIAL | 509 | 11.2% | 67.9% |
| Devinny Elementary School LAKEWOOD | 505 | 13.7% | 70.1% |
Matched among Colorado elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Sierra Elementary School ranks
Among elementary schools| Measure | This school | In Colorado | In Jefferson County |
|---|---|---|---|
| State test proficiency ranked highest first | 65.4% | #96 of 931 | #16 of 82 |
| Math proficiency ranked highest first | 70.9% | #48 of 940 ▲ 36 | #7 of 85 ▲ 5 |
| Reading proficiency ranked highest first | 65.2% | #135 of 946 ▲ 48 | #21 of 85 ▲ 6 |
| Enrollment ranked largest first | 493 | #248 of 1,056 | #21 of 89 |
| Students per teacher ranked fewest first | 17.6:1 | #740 of 896 | #72 of 86 |
| Diversity index ranked most diverse first | 35.6% | #746 of 896 | #64 of 86 |
| Free and reduced lunch ranked highest share first | 12.6% | #925 of 983 | #71 of 85 |
| Enrollment change since 2017-18 ranked steepest decline first | -8.9% | #497 of 664 | #48 of 62 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
493
+32 (+7%) vs 2020
-8% since 1990-91, when it was 535
Student : Teacher
17.6:1
was 17.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 493 | 28 | 17.6:1 | 13% (62) |
| 2023-24 | 486 | 27.6 | 17.6:1 | 13% (61) |
| 2022-23 | 445 | 26 | 17.1:1 | 15% (65) |
| 2020-21 | 461 | 27 | 17.1:1 | 14% (66) |
| 2017-18 | 541 | 28.2 | 19.2:1 | 13% (72) |
| 2015-16 | 545 | 28 | 19.5:1 | 12% (68) |
| 2010-11 | 553 | 28 | 19.8:1 | 14% (75) |
| 2000-01 | 593 | 28 | 21.2:1 | 3% (20) |
| 1990-91 | 535 | 23 | 23.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Sierra Elementary School.
Since 2017-18: students down 9% (541 to 493); teachers down 1% (28.2 to 28).
About Sierra Elementary School
Sierra Elementary School is an elementary school in ARVADA, Colorado, according to federal school records. Students in pre-K through 5 make up the school's enrollment of 493 students. Elementary schools in Colorado average about 379 students, which makes this school 30% larger than average.
Jefferson County School District No. R-1 oversees Sierra Elementary School and 147 other schools, with 74,935 students in total.
The largest group at Sierra Elementary School is White students, at 79%. Other students are 16% Hispanic and 4% multiracial. Jefferson County residents are about 80% White, a similar share. On the diversity index, which measures the chance that two random students are from different groups, Sierra Elementary School scores 36%.
Sierra Elementary School reports a ratio of 17.6 students per teacher, from 28 full-time-equivalent teachers. Across elementary schools in Colorado, the average ratio is 16.6:1. Lunch program data show 13% of students are eligible for free or reduced-price meals. By comparison, the figure for public schools in Jefferson County is 32%.
Sierra Elementary School earns an A on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 85% of Colorado public elementary schools.
The school's average proficiency rate across its state test results is 65.4%. For its free or reduced-price lunch share, the predicted value is 59.1%.
In Jefferson County, the median household earns about $110,656 a year, about 52% of adults have at least a bachelor's degree, and roughly 4% of residents are in poverty. Jefferson County has 168 public schools with about 74,739 students, including Sierra Elementary School.
Oberon Middle School sits about 0.6 miles from Sierra Elementary School. Sierra Elementary School has at least 8 other public schools within five miles. Sierra Elementary School comes in 1st of 8 nearby schools on average proficiency.
NCES describes the area around Sierra Elementary School as Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Over 4 years, enrollment rose by 32 students, from 461 to 493.
The allk12 page for Sierra Elementary School lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. You can also rate the school on this page.
Jefferson County at a glance
View full county profilePopulation
579,377
Census ACS
Median income
$110,656
Household, ACS
Bachelor's+
52%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
168
74,739 students
Quick facts
Related schools
Other schools in Jefferson County School District No. R-1
- Arvada West High SchoolHigh · 1,923 students
- Ralston Valley Senior High SchoolHigh · 1,875 students
- Chatfield High SchoolHigh · 1,808 students
- Lakewood High SchoolHigh · 1,735 students
- Columbine High SchoolHigh · 1,710 students
- Golden High SchoolHigh · 1,469 students
Other schools in ARVADA
- Arvada West High SchoolHigh · 1,923 students
- Ralston Valley Senior High SchoolHigh · 1,875 students
- Pomona Junior/Senior High SchoolHigh · 1,252 students
- Three Creeks K-8Elementary · 1,050 students
- Drake Junior High SchoolMiddle · 1,002 students
- Lincoln Charter AcademyElementary · 824 students
Other Sierra Elementary schools
5 other US public schools in 3 states are named Sierra Elementary. Sierra Elementary School is the 2nd largest of the 6.
- Sierra ElementaryLancaster, CA · 707 students
- Sierra ElementaryRocklin, CA · 445 students
- Sierra ElementaryPlacerville, CA · 402 students
- SIERRA ELEMENTARYALAMOGORDO, NM · 284 students
- SIERRA ELEMENTARYT OR C, NM · 184 students
Nearby schools
- Oberon Middle School0.6 mi · 704
- Lincoln Charter Academy0.9 mi · 824
- Excel Academy Charter School1.0 mi · 445
- Van Arsdale Elementary School1.5 mi · 492
- Warder Elementary School1.5 mi · 432
- Weber Elementary School1.5 mi · 312
Frequently asked questions
About Sierra Elementary SchoolWhat is the total enrollment at Sierra Elementary School?
Sierra Elementary School enrolls approximately 493 students in grades PK-05.
What grades does Sierra Elementary School serve?
Sierra Elementary School serves grades PK-05.
How many students per teacher at Sierra Elementary School?
Approximately 17.6:1 students per teacher at Sierra Elementary School.
What is the racial breakdown of students at Sierra Elementary School?
At Sierra Elementary School, the student body is approximately 79% White, 16% Hispanic, 0% Black, 1% Asian, 4% Two or more.
Is Sierra Elementary School public or private?
Sierra Elementary School is a public K-12 school, overseen by Jefferson County School District No. R-1.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.