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SCHOOL COMMUNITY·SCHOOL DISTRICT NO. 1 IN THE COUNTY OF DENVER AND STATE OF C·NCES 080336000417

Thomas Jefferson High School

3950 SOUTH HOLLY STREET, DENVER, CO 80237 · (720) 423-7000 · Denver County
GRADES 09–12HIGH11-CITYTITLE IREGULAR SCHOOL1,390 STUDENTS
Enrollment
1,390
High
DISTRICT 528 · STATE 627
Student : Teacher
19.6:1
71 FTE teachers
DISTRICT 13.2:1 · STATE 16.9:1
Free / Reduced Lunch
51%
708 students
DISTRICT 68% · STATE 50%
Community
2
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
440
Grade 10
346
Grade 11
298
Grade 12
306
Student demographics
White
44232%
DISTRICT 25% · STATE 49%
Hispanic
56941%
DISTRICT 53% · STATE 37%
Black
23117%
DISTRICT 13% · STATE 5%
Asian
524%
DISTRICT 3% · STATE 3%
Two+
695%
DISTRICT 5% · STATE 5%
Native American
71%
DISTRICT 0% · STATE 1%
Pacific Islander
40%
DISTRICT 1% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
72652%
Female
64847%

Discussions

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BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
31.9%
composite math + reading, all grades
Predicted
35.8%
based on CO schools with similar FRL share
Beats by
-3.9pp
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
1,390
+309 (+29%) vs 2017
Student : Teacher
19.6:1
was 18.0:1
% White
32%
was 40%
% Hispanic
41%
was 34%
% Black
17%
was 17%
% Asian
4%
was 3%
Source: NCES Common Core of Data

About Thomas Jefferson High School

As a large four-year high school in DENVER, Colorado, Thomas Jefferson High School educates 1,390 students from grades 9 through 12, overseen by School District No. 1 in the county of Denver and State of C. That puts it 122% bigger than the typical public school in Colorado, which averages around 627 students.

Thomas Jefferson High School is one of 198 schools operated by School District No. 1 in the county of Denver and State of C, a district that enrolls 90,471 students overall.

Demographically, Thomas Jefferson High School lists that the most-represented group is Hispanic (41%), with the rest of the student body spread across multiple groups; the rest reads as 32% White, 17% Black, 5% multiracial, 4% Asian. By comparison, Denver County as a whole is about 28% Hispanic, so the school skews noticeably more Hispanic than its surroundings.

In terms of school funding signals, Thomas Jefferson High School shows 71 full-time-equivalent teachers, putting the student-to-teacher ratio at about 19.6:1. The state averages around 16.9:1, so this campus is higher than the state norm typical. Roughly 51% of students at Thomas Jefferson High School qualify for free or reduced-price lunch, often used as a Title I proxy. That share is lower than Denver County's rate of about 63%.

On a residual basis (actual vs predicted given the student mix), Thomas Jefferson High School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 35.8%; this one delivers 31.9%.

Around the school, the surrounding county (Denver County) records that median household earnings sit near $94,718, 57% of adults hold a bachelor's degree or higher, and the poverty rate sits near 8%. Across Denver County's 206 public schools (combined enrollment of about 91,233 students), Thomas Jefferson High School is one campus in the mix.

The closest other public school is Southmoor Elementary School, roughly 0.5 miles away. Counting just inside five miles, 8 other public schools cluster around Thomas Jefferson High School. Among the 8 schools in that immediate cluster with test data (this one included), Thomas Jefferson High School ranks 4th on composite proficiency, behind the local average of 38.9%.

Thomas Jefferson High School operates from a city-core location.

Trend over the last 7 years. Looking back 7 years, enrollment at Thomas Jefferson High School has rose 29%, going from 1,081 students in 2018 to 1,390 in 2025. White enrollment moved from 40% to 32% across the same window. The student-to-teacher ratio grew from 18.0:1 in 2018 to 19.6:1 today.

In the discussion threads here, recent activity here tends to focus on fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.

Denver County at a glance

View full county profile
Population
718,877
Census ACS
Median income
$94,718
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
206
91,233 students

Quick facts

School name
Thomas Jefferson High School
District
School District No. 1 in the county of Denver and State of C
Address
3950 SOUTH HOLLY STREET, DENVER, CO 80237
Phone
(720) 423-7000
County
Denver County
Level
High
Grade range
09–12
Total enrollment
1,390
Teachers (FTE)
71
Student–teacher ratio
19.6:1
Free/Reduced lunch
708 (51%)
Locale
11-City: Large
NCES ID
080336000417
Charter school
No
Virtual school
No

Related schools

Other schools in School District No. 1 in the county of Denver and State of C
Other schools in DENVER
Nearby schools

Frequently asked questions

About Thomas Jefferson High School
How many students attend Thomas Jefferson High School?
Thomas Jefferson High School enrolls approximately 1,390 students in grades 09-12.
Is Thomas Jefferson High School an elementary, middle, or high school?
Thomas Jefferson High School is a high school covering grades 09-12.
What is the student-teacher ratio at Thomas Jefferson High School?
The student-to-teacher ratio at Thomas Jefferson High School is approximately 19.6:1 (71 FTE teachers).
What is the student diversity at Thomas Jefferson High School?
Student demographics at Thomas Jefferson High School are roughly 32% White, 41% Hispanic, 17% Black, 4% Asian, 5% Two or more.
Who oversees Thomas Jefferson High School?
Thomas Jefferson High School is overseen by School District No. 1 in the county of Denver and State of C in Denver County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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