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SCHOOL COMMUNITY·CHERRY CREEK SCHOOL DISTRICT NO. 5 IN THE COUNTY OF ARAPAH·NCES 080291001405

Timberline Elementary School

5500 SOUTH KILLARNEY STREET, CENTENNIAL, CO 80015 · (720) 886-3200 · Arapahoe County
GRADES PK–05ELEMENTARY12-CITYREGULAR SCHOOL478 STUDENTS
Enrollment
478
Elementary
DISTRICT 478 · STATE 379
Student : Teacher
14.9:1
32 FTE teachers
DISTRICT 15.3:1 · STATE 16.6:1
Free / Reduced Lunch
33%
158 students
DISTRICT 38% · STATE 50%
Community
2
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Pre-K
37
Kindergarten
57
Grade 1
68
Grade 2
78
Grade 3
77
Grade 4
70
Grade 5
91
Student demographics
White
50%
DISTRICT 44% · STATE 49%
Hispanic
19%
DISTRICT 25% · STATE 37%
Black
11%
DISTRICT 12% · STATE 5%
Asian
6%
DISTRICT 9% · STATE 3%
Two+
14%
DISTRICT 10% · STATE 5%
Native American
n/r
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
56%
Female
44%

Discussions

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Test scores

CMAS 2024-25 . % Met or Exceeded Expectations
English Language Arts
37.7%
CO avg 44.9% . +2.1pp since 2023
Math
43.6%
CO avg 36.1% . +10.7pp since 2023
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
37.0%
composite math + reading, all grades
Predicted
46.7%
based on CO schools with similar FRL share
Beats by
-9.7pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
478
-166 (-26%) vs 2017
Student : Teacher
14.9:1
was 18.5:1
% White
50%
was 58%
% Hispanic
19%
was 17%
% Black
11%
was 6%
% Asian
6%
was 9%
Source: NCES Common Core of Data

About Timberline Elementary School

Set in CENTENNIAL, Colorado, Timberline Elementary School is a moderately sized elementary-level community, overseen by Cherry Creek School District No. 5 in the county of Arapah. It serves 478 students across grades pre-K through 5. By comparison, Colorado's public schools average about 379 students each, so Timberline Elementary School sits 26% bigger than that benchmark.

Within Cherry Creek School District No. 5 in the county of Arapah, which oversees 70 schools and 52,099 students, Timberline Elementary School is one campus in the system.

Demographically, Timberline Elementary School shows that the largest single group is White at 50%, but no single group is in the majority. Beyond that, the school logs 19% Hispanic, 14% multiracial, 11% Black, 6% Asian. By comparison, Arapahoe County as a whole is about 59% White, so the school skews considerably less White than its surroundings.

Looking at school resources, On paper, Timberline Elementary School has 32 full-time-equivalent teachers, translating to a class-load average of around 14.9:1. The state averages around 16.6:1, so this campus is tighter than the state norm typical. About 33% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of Arapahoe County's rate of about 50%.

After controlling for student poverty, Timberline Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 46.7%; this one delivers 37.0%.

In the area at large, the surrounding county (Arapahoe County) records that median household income runs about $101,087, about 47% of the adult population holds a bachelor's degree or above, and roughly 6% of residents live below the federal poverty line. Across Arapahoe County's 176 public schools (combined enrollment of about 115,502 students), Timberline Elementary School is one campus in the mix.

Nearest neighbor: Heritage Heights Academy, around 0.6 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Timberline Elementary School comes 7th of 8 in the immediate cluster, below the nearby-schools average of 42.1%.

Geographically, the school is in an urban area.

Over the past 7-year window. Timberline Elementary School's enrollment has ticked down 26% since 2018, when it stood at 644 (now 478). White enrollment moved from 58% to 50% across the same window. Class-load math has tightened: from 18.5:1 in 2018 to 14.9:1 in 2025.

On the community side, the feed for Timberline Elementary School typically covers classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.

Arapahoe County at a glance

View full county profile
Population
659,844
Census ACS
Median income
$101,087
Household, ACS
Bachelor's+
47%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
176
115,502 students

Quick facts

School name
Timberline Elementary School
District
Cherry Creek School District No. 5 in the county of Arapah
Address
5500 SOUTH KILLARNEY STREET, CENTENNIAL, CO 80015
Phone
(720) 886-3200
County
Arapahoe County
Level
Elementary
Grade range
PK–05
Total enrollment
478
Teachers (FTE)
32
Student–teacher ratio
14.9:1
Free/Reduced lunch
158 (33%)
Locale
12-City: Mid-size
NCES ID
080291001405
Charter school
No
Virtual school
No

Related schools

Other schools in Cherry Creek School District No. 5 in the county of Arapah
Other schools in CENTENNIAL
Nearby schools

Frequently asked questions

About Timberline Elementary School
How many students attend Timberline Elementary School?
Timberline Elementary School enrolls approximately 478 students in grades PK-05.
Is Timberline Elementary School an elementary, middle, or high school?
Timberline Elementary School is an elementary school covering grades PK-05.
What is the student-teacher ratio at Timberline Elementary School?
The student-to-teacher ratio at Timberline Elementary School is approximately 14.9:1 (32 FTE teachers).
How diverse is Timberline Elementary School?
Timberline Elementary School reports a student body of 50% White, 19% Hispanic, 11% Black, 6% Asian, 14% Two or more.
Who oversees Timberline Elementary School?
Timberline Elementary School is overseen by Cherry Creek School District No. 5 in the county of Arapah in Arapahoe County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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