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SCHOOL COMMUNITY·ST. VRAIN VALLEY SCHOOL DISTRICT NO. RE1J·NCES 080537000901

Thunder Valley PK-8

555 8TH STREET, FREDERICK, CO 80530 · (303) 833-2456 · Weld County
GRADES PK–08ELEMENTARY41-RURALTITLE IREGULAR SCHOOL880 STUDENTS
Enrollment
880
Elementary
DISTRICT 467 · STATE 379
Student : Teacher
15.9:1
55 FTE teachers
DISTRICT 15.6:1 · STATE 16.6:1
Free / Reduced Lunch
63%
555 students
DISTRICT 39% · 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
Kindergarten9411%
Grade 110111%
Grade 210011%
Grade 310512%
Grade 410612%
Grade 5799%
Grade 69010%
Grade 710312%
Grade 810212%

This year's kindergarten class (94) is 8% smaller than its 8th grade class (102).

Student demographics
52%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 55% · STATE 62% · US 70%
White
28032%
DISTRICT 59% · STATE 49% · US 43%
Hispanic
54262%
DISTRICT 32% · STATE 37% · US 30%
Black
121%
DISTRICT 1% · STATE 5% · US 15%
Asian
192%
DISTRICT 4% · STATE 3% · US 6%
Two+
243%
DISTRICT 4% · STATE 5% · US 5%
Native American
30%
DISTRICT 0% · STATE 1% · US 1%
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
42949%
Female
45151%

Discussions

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Test scores

CMAS 2024-25 . % Met or Exceeded Expectations
English Language Arts
22.0%
CO avg 44.9% . +2.2pp since 2023
Math
15.4%
CO avg 36.1% . +3.8pp since 2023

What this means: On the CMAS, Colorado's statewide test, about 22 of every 100 students at this school read and write at grade level and about 15 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 4 points.

CMAS results by year

School yearEnglish Language ArtsMath
2024-2522.0%15.4%
2023-2419.8%11.6%
% 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
18.0%
composite math + reading, all grades
Predicted
28.5%
based on CO schools with similar FRL share
Beats by
-10.5pp
below demographic expectation

What this means: About 18% of students here test proficient in math and reading, compared with the roughly 28% 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 Thunder Valley PK-8

Thunder Valley PK-8's state test result (18.0% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Thunder Valley PK-8 this school88063.1%18.0%
Tointon Academy of Pre-Engineering
GREELEY
1,12758.9%31.6%
Winograd K-8 Elementary School
GREELEY
69165.6%26.6%
Mary E Pennock Elementary School
BRIGHTON
59259.8%31.0%
Chappelow K-8 Magnet School
EVANS
69367.2%32.4%
Global Village Academy - North
NORTHGLENN
83855.7%41.9%
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 Thunder Valley PK-8 ranks

Among elementary schools
MeasureThis schoolIn ColoradoIn Weld County
State test proficiency
ranked highest first
18.0%#799 of 931#46 of 53
Math proficiency
ranked highest first
15.4%#796 of 940
▲ 56
#47 of 55
▲ 5
Reading proficiency
ranked highest first
22.0%#790 of 946
▲ 27
#41 of 55
▲ 5
Enrollment
ranked largest first
880#21 of 1,056#4 of 62
Students per teacher
ranked fewest first
15.9:1#516 of 896#21 of 56
Diversity index
ranked most diverse first
51.8%#395 of 896#22 of 56
Free and reduced lunch
ranked highest share first
63.1%#341 of 983#21 of 57
Enrollment change since 2017-18
ranked fastest growth first
+1.0%#190 of 200#17 of 17
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
880
+98 (+13%) vs 2020
+19% since 1990-91, when it was 740
Student : Teacher
15.9:1
was 16.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2588055.415.9:163% (555)
2023-2485754.715.7:157% (489)
2022-2383251.716.1:157% (476)
2020-217824916.0:164% (502)
2017-1887152.916.5:157% (500)
2015-168595116.8:159% (504)
2010-115513117.8:159% (325)
2000-015713815.0:137% (214)
1990-917403919.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Thunder Valley PK-8.

Since 2017-18: students up 1% (871 to 880); teachers up 5% (52.9 to 55.4).

About Thunder Valley PK-8

Thunder Valley PK-8 is a high-enrollment elementary school located in FREDERICK, Colorado. The school covers pre-K through 8 and reported 880 students in 2024-25. On average, elementary schools in Colorado enroll around 379, and this school is 132% larger than that mark.

St. Vrain Valley School District No. Re1J counts 54 schools and 31,607 students, including Thunder Valley PK-8.

Hispanic students are 62% of those enrolled at Thunder Valley PK-8. The rest of enrollment is 32% White, 3% multiracial, and 2% Asian. Census estimates put the Hispanic share of Weld County's population at about 31%. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 52%.

Its staff includes 55.4 full-time-equivalent teachers, for about 15.9 students per teacher. It is about the same as the 16.6:1 average for elementary schools in Colorado. Thunder Valley PK-8 has a free or reduced-price lunch rate of 63%. The average for public schools in Weld County is 47%.

Thunder Valley PK-8's average proficiency rate across its state test results of 18.0% is 10.5 points below the 28.5% the model predicts from its lunch-eligibility share.

Weld County is the school's county. There, the median household earns about $97,097 a year, a bachelor's degree or higher is held by about 33% of adults, and the poverty rate is about 7%. Thunder Valley PK-8 shares Weld County with 115 other public schools.

Thunder Valley PK-8's nearest public school is Spark! Discovery Preschool (about 0.1 miles). The count of other public schools within five miles is at least 8. Thunder Valley PK-8 is 8th of 8 nearby schools by average proficiency rate.

Thunder Valley PK-8 is coded as Rural: Fringe in federal locale data.

In 2024-25, the school enrolled 880, up from 782 in 2020-21.

People who know Thunder Valley PK-8 can post here about homework, tutoring, and testing dates. Teachers and staff are welcome to share updates too.

Weld County at a glance

View full county profile
Population
350,396
Census ACS
Median income
$97,097
Household, ACS
Bachelor's+
33%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
116
61,274 students

Quick facts

School name
Thunder Valley PK-8
District
St. Vrain Valley School District No. Re1J
Address
555 8TH STREET, FREDERICK, CO 80530
Phone
(303) 833-2456
County
Weld County
Level
Elementary
Grade range
PK–08
Total enrollment
880
Teachers (FTE)
55
Student–teacher ratio
15.9:1
Free and reduced lunch
555 (63%)
Locale
41-Rural: Fringe
NCES ID
080537000901
Charter school
No
Virtual school
No

Related schools

Other schools in St. Vrain Valley School District No. Re1J
Other schools in FREDERICK
Nearby schools

Frequently asked questions

About Thunder Valley PK-8
What is the total enrollment at Thunder Valley PK-8?
Thunder Valley PK-8 enrolls approximately 880 students in grades PK-08.
What age range does Thunder Valley PK-8 serve?
Thunder Valley PK-8 serves students from grade PK through grade 08.
What is the student-teacher ratio at Thunder Valley PK-8?
The student-to-teacher ratio at Thunder Valley PK-8 is approximately 15.9:1 (55 FTE teachers).
What is the racial breakdown of students at Thunder Valley PK-8?
At Thunder Valley PK-8, the student body is approximately 32% White, 62% Hispanic, 1% Black, 2% Asian, 3% Two or more.
Is Thunder Valley PK-8 public or private?
Thunder Valley PK-8 is a public K-12 school, overseen by St. Vrain Valley School District No. Re1J.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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