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SCHOOL COMMUNITY·DOUGLAS COUNTY SCHOOL DISTRICT NO. RE 1·NCES 080345001582

Sierra Middle School

6651 PINE LANE AVENUE, PARKER, CO 80138 · (303) 387-3800 · Douglas County
GRADES 07–08MIDDLE21-SUBURBREGULAR SCHOOL805 STUDENTS
B-
allk12 Grade
Scored higher than 52% of Colorado public middle schools
  • B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C-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 middle schools

Enrollment
805
Middle
DISTRICT 776 · STATE 462
Student : Teacher
15.9:1
51 FTE teachers
DISTRICT 17.0:1 · STATE 15.9:1
Free / Reduced Lunch
27%
216 students
DISTRICT 19% · STATE 50%
Community
6
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 741051%
Grade 839549%
Student demographics
54%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 52% · STATE 62% · US 70%
White
51264%
DISTRICT 67% · STATE 49% · US 43%
Hispanic
17622%
DISTRICT 17% · STATE 37% · US 30%
Black
213%
DISTRICT 2% · STATE 5% · US 15%
Asian
253%
DISTRICT 8% · STATE 3% · US 6%
Two+
648%
DISTRICT 7% · STATE 5% · US 5%
Native American
61%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
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
Male
40550%
Female
40050%

Discussions

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Test scores

CMAS 2024-25 . % Met or Exceeded Expectations
English Language Arts
53.4%
CO avg 44.9% . +5.7pp since 2023
Math
43.0%
CO avg 36.1% . +7.1pp since 2023

What this means: On the CMAS, Colorado's statewide test, about 53 of every 100 students at this school read and write at grade level and about 43 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 6 points since 2023, while math scores are up about 7 points.

CMAS results by year

School yearEnglish Language ArtsMath
2024-2553.4%43.0%
2023-2447.7%35.9%
% 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 · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
43.3%
composite math + reading, all grades
Predicted
50.5%
based on CO schools with similar FRL share
Beats by
-7.2pp
below demographic expectation

What this means: About 43% of students here test proficient in math and reading, compared with the roughly 50% 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 Middle School

Sierra Middle School's state test result (43.3% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Sierra Middle School this school80526.8%43.3%
Summit Ridge Middle School
LITTLETON
85124.3%40.8%
Ken Caryl Middle School
LITTLETON
72527.0%42.6%
Timberview Middle School
COLORADO SPRINGS
83731.8%43.8%
Dunstan Middle School
LAKEWOOD
79828.2%43.5%
Castle Rock Middle School
CASTLE ROCK
66025.9%44.4%
Matched among Colorado middle 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 Middle School ranks

Among middle schools
MeasureThis schoolIn ColoradoIn Douglas County
State test proficiency
ranked highest first
43.3%#76 of 241#8 of 9
Math proficiency
ranked highest first
43.0%#64 of 244
▲ 14
#6 of 9
▲ 2
Reading proficiency
ranked highest first
53.4%#73 of 246
▲ 17
#6 of 9
▲ 3
Enrollment
ranked largest first
805#31 of 278#6 of 9
Students per teacher
ranked fewest first
15.9:1#111 of 227#3 of 9
Diversity index
ranked most diverse first
54.0%#90 of 227#2 of 9
Free and reduced lunch
ranked highest share first
26.8%#202 of 246#1 of 9
Enrollment change since 2017-18
ranked steepest decline first
-6.3%#142 of 169#7 of 8
Ranked against other public middle 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 2024-25
Enrollment
805
+1 (+0%) vs 2020
+6% since 2000-01, when it was 756
Student : Teacher
15.9:1
was 17.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2580550.615.9:127% (216)
2023-247844916.0:127% (214)
2022-2377943.917.7:117% (130)
2020-218044617.5:117% (137)
2017-1885946.318.6:117% (150)
2015-169724919.8:118% (179)
2010-119775218.8:110% (101)
2000-017565114.8:12% (18)
Source: NCES Common Core of Data. Rows are the federal collections on file for Sierra Middle School.

Since 2017-18: students down 6% (859 to 805); teachers up 9% (46.3 to 50.6).

About Sierra Middle School

Sierra Middle School runs as a large middle school in PARKER, Colorado. The student body numbers 805 students, from grades 7 through 8. An average school in this group (middle schools in Colorado) has about 462 students.

In Douglas County School District No. Re 1, 89 schools enroll a combined 61,550 students.

At 64%, White students outnumber all other groups at Sierra Middle School combined. Smaller groups are 22% Hispanic, 8% multiracial, 3% Asian, and 3% Black. County-wide, 80% of Douglas County residents are White. By the diversity index, Sierra Middle School comes in at 54%.

Federal records show a student-to-teacher ratio of 15.9:1 at Sierra Middle School, with 50.6 full-time-equivalent teachers. Middle schools in Colorado average about 15.9:1, a similar figure. The count of students eligible for free or reduced-price lunch equals 27% of enrollment. It compares with 18% for public schools in Douglas County.

The allk12 Grade for Sierra Middle School is B-. Compared with Colorado public middle schools, the school scored higher than 52% on a mix of test scores, poverty-adjusted results, and recent trend.

Schools in Colorado with a similar free or reduced-price lunch share are predicted to score about 50.5%. Sierra Middle School scores 43.3%.

County data help place the school in context: in Douglas County, median household income is about $149,594, about 62% of adults have at least a bachelor's degree, and the poverty rate is about 3%. Sierra Middle School is among the 92 public schools in Douglas County.

The nearest other public school, Pine Lane Elementary, is about 0.3 miles away. The count of other public schools within five miles is at least 8. On average proficiency, Sierra Middle School is 8th of 9 nearby schools with test data.

Sierra Middle School falls in the Suburb: Large locale category, used for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

In 2020-21, Sierra Middle School enrolled 804; in 2024-25, 805. The number of students per teacher fell from 17.5 to 15.9 over 4 years.

If you have questions about science fairs, picture day, and bus routes at Sierra Middle School, you can post them here. Anyone with firsthand experience at this school can post or comment.

Douglas County at a glance

View full county profile
Population
377,150
Census ACS
Median income
$149,594
Household, ACS
Bachelor's+
62%
Adults 25+
Poverty rate
3%
Below federal line
Schools in county
92
63,841 students

Quick facts

School name
Sierra Middle School
District
Douglas County School District No. Re 1
Address
6651 PINE LANE AVENUE, PARKER, CO 80138
Phone
(303) 387-3800
County
Douglas County
Level
Middle
Grade range
07–08
Total enrollment
805
Teachers (FTE)
51
Student–teacher ratio
15.9:1
Free and reduced lunch
216 (27%)
Locale
21-Suburb: Large
NCES ID
080345001582
Charter school
No
Virtual school
No

Related schools

Other schools in Douglas County School District No. Re 1
Other schools in PARKER
Other Sierra Middle schools

5 other US public schools in 3 states are named Sierra Middle. Sierra Middle School is the 2nd largest of the 6.

Nearby schools

Frequently asked questions

About Sierra Middle School
What is the total enrollment at Sierra Middle School?
Sierra Middle School enrolls approximately 805 students in grades 07-08.
What age range does Sierra Middle School serve?
Sierra Middle School serves students from grade 07 through grade 08.
What is the student-teacher ratio at Sierra Middle School?
The student-to-teacher ratio at Sierra Middle School is approximately 15.9:1 (51 FTE teachers).
What is the racial breakdown of students at Sierra Middle School?
At Sierra Middle School, the student body is approximately 64% White, 22% Hispanic, 3% Black, 3% Asian, 8% Two or more.
Who oversees Sierra Middle School?
Sierra Middle School is overseen by Douglas County School District No. Re 1 in Douglas County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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