The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·SCHOOL DISTRICT 27J·NCES 080258006549

Brantner Elementary School

7800 E. 133RD AVENUE, THORNTON, CO 80602 · (720) 685-5050 · Adams County
GRADES PK–05ELEMENTARY41-RURALTITLE IREGULAR SCHOOL574 STUDENTS
B-
allk12 Grade
Scored higher than 45% of Colorado public elementary schools
  • B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats 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

Enrollment
574
Elementary
DISTRICT 612 · STATE 379
Student : Teacher
16.5:1
35 FTE teachers
DISTRICT 22.4:1 · STATE 16.6:1
Free / Reduced Lunch
41%
235 students
DISTRICT 51% · 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

GradeStudentsShare
Pre-K529%
Kindergarten8314%
Grade 18615%
Grade 28615%
Grade 37914%
Grade 410118%
Grade 58715%

This year's kindergarten class (83) is about the same size as its 5th grade class (87).

Student demographics
63%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 59% · STATE 62% · US 70%
White
27147%
DISTRICT 36% · STATE 49% · US 43%
Hispanic
21638%
DISTRICT 52% · STATE 37% · US 30%
Black
102%
DISTRICT 3% · STATE 5% · US 15%
Asian
539%
DISTRICT 4% · STATE 3% · US 6%
Two+
224%
DISTRICT 4% · STATE 5% · US 5%
Native American
10%
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
31054%
Female
26446%

Discussions

+ POST

Test scores

CMAS 2024-25 . % Met or Exceeded Expectations
English Language Arts
50.0%
CO avg 44.9% . +14.4pp since 2023
Math
46.2%
CO avg 36.1% . +10.6pp since 2023

What this means: On the CMAS, Colorado's statewide test, about 50 of every 100 students at this school read and write at grade level and about 46 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 14 points since 2023, while math scores are up about 11 points.

CMAS results by year

School yearEnglish Language ArtsMath
2024-2550.0%46.2%
2023-2435.6%35.6%
% 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
40.1%
composite math + reading, all grades
Predicted
41.9%
based on CO schools with similar FRL share
Beats by
-1.8pp
below demographic expectation

What this means: About 40% of students here test proficient in math and reading, compared with the roughly 42% 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 Brantner Elementary School

Brantner Elementary School's state test result (40.1% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Brantner Elementary School this school57440.9%40.1%
Tarver Elementary School
THORNTON
47537.5%40.9%
Eagleview Elementary School
THORNTON
45139.2%43.0%
Mountain View Elementary School
BROOMFIELD
51738.5%46.1%
Glacier Peak Elementary School
BRIGHTON
41247.6%31.3%
Cherokee Trail Elementary School
PARKER
55334.2%42.9%
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 Brantner Elementary School ranks

Among elementary schools
MeasureThis schoolIn ColoradoIn Adams County
State test proficiency
ranked highest first
40.1%#438 of 931#16 of 89
Math proficiency
ranked highest first
46.2%#316 of 940
▲ 128
#6 of 89
▲ 9
Reading proficiency
ranked highest first
50.0%#366 of 946
▲ 189
#11 of 89
▲ 13
Enrollment
ranked largest first
574#140 of 1,056#19 of 97
Students per teacher
ranked fewest first
16.5:1#614 of 896#42 of 90
Diversity index
ranked most diverse first
62.5%#159 of 896#10 of 90
Free and reduced lunch
ranked highest share first
40.9%#571 of 983#78 of 91
Enrollment change since 2017-18
ranked steepest decline first
-0.2%#663 of 664#63 of 63
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 2024-25
Enrollment
574
-96 (-14%) vs 2020
Student : Teacher
16.5:1
was 19.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2557434.716.5:141% (235)
2023-2455131.917.3:137% (203)
2022-2368236.918.5:122% (147)
2020-216703519.1:114% (95)
2017-1857520.927.6:114% (78)
2015-163872019.4:112% (45)
Source: NCES Common Core of Data. Rows are the federal collections on file for Brantner Elementary School.

Since 2017-18: students unchanged (575 to 574); teachers up 66% (20.9 to 34.7).

About Brantner Elementary School

Brantner Elementary School is a large elementary school found in THORNTON, Colorado. The school runs pre-K through 5 and enrolls 574 students. That compares with an average of about 379 students for elementary schools in Colorado.

Brantner Elementary School sits within School District 27J, which has 33 schools and 24,044 students.

Of every 100 students at Brantner Elementary School, about 47 are White, the largest group. After that, the student body is 38% Hispanic, 9% Asian, and 4% multiracial. A diversity index of 63% means there is a 63% chance two randomly chosen students at Brantner Elementary School are from different groups.

Classroom staffing at Brantner Elementary School totals 34.7 full-time-equivalent teachers, and the student-to-teacher ratio is 16.5:1. It is about the same as the 16.6:1 average for elementary schools in Colorado. Free or reduced-price lunch eligibility at Brantner Elementary School is about 41%. By comparison, the figure for public schools in Adams County is 62%.

Brantner Elementary School holds a B- allk12 Grade, placing it above 45% of Colorado public elementary schools.

Brantner Elementary School is 1.8 points below its predicted average proficiency rate across its state test results (40.1% versus 41.9%), which places it in neither the top nor the bottom 10% in Colorado.

Five-year Census Bureau estimates for Adams County show that the median household earns about $94,571 a year, about 29% of adults have at least a bachelor's degree, and the poverty rate is about 7%. Across Adams County, 171 public schools serve about 87,938 students.

About 0.7 miles separate Brantner Elementary School from the closest public school, Rodger Quist Middle School. Within five miles are at least 8 other public schools. Compared with its nearest neighbors, Brantner Elementary School ranks 3rd of 8 on average proficiency.

Brantner Elementary School is coded as Rural: Fringe in federal locale data.

A 14% decline took enrollment from 670 in 2020-21 to 574 in 2024-25. In 2020-21, the student-to-teacher ratio was 19.1:1; by 2024-25 it was 16.5:1.

On allk12, people connected to Brantner Elementary School can post about special education services, counseling, and support programs. Members of the school community can share what they know.

Adams County at a glance

View full county profile
Population
530,225
Census ACS
Median income
$94,571
Household, ACS
Bachelor's+
29%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
171
87,938 students

Quick facts

School name
Brantner Elementary School
District
School District 27J
Address
7800 E. 133RD AVENUE, THORNTON, CO 80602
Phone
(720) 685-5050
County
Adams County
Level
Elementary
Grade range
PK–05
Total enrollment
574
Teachers (FTE)
35
Student–teacher ratio
16.5:1
Free and reduced lunch
235 (41%)
Locale
41-Rural: Fringe
NCES ID
080258006549
Charter school
No
Virtual school
No

Related schools

Other schools in School District 27J
Other schools in THORNTON
Nearby schools

Frequently asked questions

About Brantner Elementary School
How many students attend Brantner Elementary School?
Brantner Elementary School enrolls approximately 574 students in grades PK-05.
Is Brantner Elementary School an elementary, middle, or high school?
Brantner Elementary School is an elementary school covering grades PK-05.
What is the student-teacher ratio at Brantner Elementary School?
The student-to-teacher ratio at Brantner Elementary School is approximately 16.5:1 (35 FTE teachers).
What is the student diversity at Brantner Elementary School?
Student demographics at Brantner Elementary School are roughly 47% White, 38% Hispanic, 2% Black, 9% Asian, 4% Two or more.
What district is Brantner Elementary School in?
Brantner Elementary School is part of School District 27J.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post