Lumberg Elementary School (Ranked Bottom 50% for 2025-26)

6705 West 22nd Avenue
Denver, CO 80214

( shown in map)

Bottom 50%

Serving 532 students in grades Prekindergarten-6, Lumberg Elementary School ranks in the bottom 50% of all schools in Colorado for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).

The percentage of students achieving is ≤5% (which is lower than the Colorado state average of 33%). The percentage of students achieving is 10-14% (which is lower than the Colorado state average of 45%).

The student-teacher ratio of 16:1 is higher than the Colorado state level of 15:1.

Minority enrollment is 89% of the student body (majority Hispanic), which is higher than the Colorado state average of 50% (majority Hispanic).

Quick Facts (2025-26)

Grades: Prekindergarten-6
Enrollment: 532 students
Student-Teacher Ratio: 16:1
Minority Enrollment: 89%
: Bottom 50% in CO
: ≤5% (Btm 50%)
: 10-14% (Btm 50%)
Source: National Center for Education Statistics (NCES), CO Dept. of Education

Top Rankings

Lumberg Elementary School ranks among the top 20% of public schools in Colorado for:

School Overview

Lumberg Elementary School's student population of 532 students has grown by 21% over five school years.

The teacher population of 33 teachers has grown by 32% over five school years.

Grades Offered

Grades Prekindergarten-6
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Lumberg Elementary School
Pre-K	46
Kind	74
1	64
2	67
3	66
4	74
5	80
6	61

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Total Students

532 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Lumberg Elementary School
2023	318
2022	316
2021	336
2020	438
2019	438
2018	473
2017	473
2016	496
2015	552
2014	538
2013	490
2012	517
2011	516
2010	516
2009	529
2008	550
2007	529
2006	546
2005	537
2004	511
2003	493
2002	522
2001	508
2000	542
1999	483
1998	483
1997	528
1996	495
1995	535
1994	526
1993	505
1992	488
1991	483
1990	482
1989	440
1988	391
1987	392

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Gender %

Total Classroom Teachers

33 teachers

View Data

Total Classroom Teachers Trends Over Years (1987-2023)
Year	Lumberg Elementary School
2023	20
2022	22
2021	22
2020	25
2019	25
2018	28
2017	28
2016	30
2015	34
2014	35
2013	33
2012	33
2011	35
2010	36
2009	39
2008	34
2007	33
2006	36
2005	31
2004	34
2003	33
2002	33
2001	32
2000	28
1999	29
1998	27
1997	29
1996	29
1995	27
1994	24
1993	26
1992	25
1991	25
1990	24
1989	24
1988	21
1987	17

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School Calendar

Last Day of School

Mon. May 25, 2026

School Mascot

Lynxes

School Rankings

Lumberg Elementary School ranks within the bottom 50% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).

The of Lumberg Elementary School is 0.39, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.

This School

State Level (CO)

#1725 out of 1748 schools
(Bottom 50%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Lumberg Elementary School
2023	#1725
2022	#1620
2021	#1723
2019	#1651
2018	#1693
2017	#1567
2016	#1609
2015	#1652
2014	#1463
2013	#1430
2012	#1387

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≤5%

33%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	5%	33%	40%
2022	12%	32%	38%
2021	5%	33%	36%
2019	12%	35%	41%
2018	9%	35%	42%
2017	11%	33%	40%
2016	9%	33%	40%
2015	9%	31%	39%
2014	43%	57%	63%
2013	43%	57%	63%
2012	47%	56%	62%

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10-14%

45%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2022	12%	45%	52%
2021	7%	47%	53%
2019	19%	47%	54%
2018	15%	44%	42%
2017	20%	42%	49%
2016	16%	40%	46%
2015	11%	40%	49%
2014	48%	69%	76%
2013	50%	70%	77%
2012	45%	70%	76%
2011	87%	89%	94%

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Student-Teacher Ratio

16:1

15:1

View Data

Student-Teacher Ratio Comparison Over Years (1987-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	16:1	16:1	16:1
2022	14:1	15:1	16:1
2021	15:1	15:1	17:1
2020	18:1	16:1	18:1
2019	18:1	16:1	18:1
2018	17:1	17:1	18:1
2017	17:1	17:1	18:1
2016	17:1	17:1	18:1
2015	16:1	17:1	18:1
2014	15:1	17:1	18:1
2013	15:1	17:1	18:1
2012	16:1	17:1	18:1
2011	15:1	17:1	18:1
2010	15:1	16:1	18:1
2009	14:1	16:1	17:1
2008	16:1	16:1	18:1
2007	16:1	17:1	18:1
2006	15:1	16:1	18:1
2005	17:1	17:1	19:1
2004	15:1	16:1	19:1
2003	15:1	16:1	18:1
2002	16:1	17:1	19:1
2001	16:1	17:1	20:1
2000	19:1	17:1	21:1
1999	17:1	17:1	21:1
1998	18:1	18:1	21:1
1997	18:1	18:1	21:1
1996	17:1	18:1	21:1
1995	20:1	18:1	21:1
1994	22:1	18:1	22:1
1993	19:1	18:1	21:1
1992	20:1	18:1	21:1
1991	19:1	18:1	21:1
1990	20:1	18:1	21:1
1989	19:1	18:1	21:1
1988	18:1	18:1	21:1
1987	23:1	19:1	23:1

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American Indian

View Data

American Indian Student Percentage Comparison Over Years (1991-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	2%	1%
2022	3%	1%	1%
2021	1%	1%	1%
2020	3%	1%	2%
2019	3%	1%	2%
2018	2%	1%
2017	2%	1%
2016	2%	1%
2015	1%	1%
2014	2%	1%	1%
2013	2%	1%	1%
2012	2%	1%	1%
2011	2%	1%	2%
2010	3%	1%	2%
2009	2%	1%	1%
2008	1%	2%	1%
2007	3%	1%	1%
2006	2%	1%	1%
2005	3%	1%	1%
2004	2%	1%	1%
2003	3%	1%	1%
2002	2%	1%	1%
2001	3%	1%	2%
2000	3%	1%	1%
1999	3%	1%	1%
1998	2%	1%	1%
1997	3%	1%	1%
1996	3%	1%	1%
1995	3%	1%	1%
1994	3%	1%	1%
1993	2%	1%	1%
1992	4%	1%	1%
1991	2%	1%	1%

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Asian

n/a

View Data

Asian Student Percentage Comparison Over Years (1990-2022)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2022	1%	3%	3%
2021	1%	3%	3%
2020	1%	3%	3%
2019	1%	3%	3%
2014	1%	3%	3%
2013	1%	3%	3%
2012	1%	3%	3%
2010	1%	4%	4%
2009	1%	4%	4%
2008	1%	3%	4%
2007	1%	3%	4%
2006	1%	3%	4%
2005	1%	3%	4%
2004	1%	3%	4%
2003	1%	3%	4%
2002	1%	3%	3%
2001	2%	3%	3%
2000	2%	3%	3%
1999	1%	3%	3%
1998	1%	3%	3%
1997	2%	3%	3%
1996	2%	3%	3%
1995	2%	3%	3%
1994	3%	2%	3%
1993	3%	2%	3%
1992	4%	2%	3%
1991	4%	2%	3%
1990	5%	2%	2%

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Hispanic

77%

36%

View Data

Hispanic Student Percentage Comparison Over Years (1991-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	76%	35%	26%
2022	74%	35%	25%
2021	76%	34%	25%
2020	67%	34%	23%
2019	67%	34%	23%
2018	76%	34%	25%
2017	76%	34%	25%
2016	79%	33%	25%
2015	76%	33%	26%
2014	78%	33%	24%
2013	78%	32%	24%
2012	79%	32%	24%
2011	80%	32%	23%
2010	75%	29%	19%
2009	76%	28%	19%
2008	75%	28%	19%
2007	71%	28%	18%
2006	73%	27%	17%
2005	68%	26%	16%
2004	70%	25%	15%
2003	60%	24%	14%
2002	55%	23%	13%
2001	50%	22%	12%
2000	44%	21%	11%
1999	41%	20%	10%
1998	39%	19%	10%
1997	35%	19%	9%
1996	27%	18%	9%
1995	25%	18%	8%
1994	22%	17%	8%
1993	24%	17%	8%
1992	22%	17%	8%
1991	20%	16%	7%

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Black

View Data

Black Student Percentage Comparison Over Years (1991-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	6%	5%	1%
2022	3%	4%	1%
2021	2%	5%	1%
2020	4%	5%	1%
2019	4%	5%	1%
2018	5%	5%	1%
2017	5%	5%	1%
2016	2%	5%	1%
2015	1%	5%	1%
2014	1%	5%	1%
2013	1%	5%	1%
2012	4%	5%	1%
2011	3%	5%	1%
2010	4%	6%	2%
2009	4%	6%	2%
2008	5%	6%	2%
2007	5%	6%	2%
2006	5%	6%	2%
2005	7%	6%	2%
2004	5%	6%	2%
2003	6%	6%	2%
2002	8%	6%	2%
2001	6%	6%	1%
2000	6%	5%	1%
1999	4%	5%	1%
1998	3%	5%	1%
1997	2%	5%	1%
1996	2%	5%	1%
1995	3%	4%	1%
1994	3%	5%	1%
1993	1%	5%	1%
1992	1%	5%	1%
1991	3%	5%	1%

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White

11%

50%

View Data

White Student Percentage Comparison Over Years (1991-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	13%	51%	65%
2022	15%	52%	66%
2021	15%	52%	66%
2020	22%	53%	67%
2019	22%	53%	67%
2018	16%	53%	67%
2017	16%	53%	67%
2016	15%	54%	68%
2015	19%	54%	66%
2014	17%	55%	68%
2013	16%	56%	68%
2012	12%	56%	68%
2011	14%	57%	68%
2010	17%	60%	73%
2009	17%	61%	74%
2008	17%	61%	74%
2007	20%	62%	75%
2006	19%	63%	76%
2005	21%	64%	77%
2004	22%	65%	78%
2003	30%	66%	79%
2002	34%	67%	81%
2001	39%	68%	82%
2000	45%	70%	84%
1999	51%	71%	85%
1998	55%	72%	85%
1997	58%	72%	86%
1996	66%	73%	86%
1995	67%	74%	87%
1994	69%	75%	87%
1993	70%	75%	87%
1992	69%	75%	87%
1991	71%	76%	88%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	2%	5%	4%
2022	2%	5%	4%
2021	3%	5%	4%
2020	3%	4%	4%
2019	3%	4%	4%
2018	1%	4%	4%
2017	1%	4%	4%
2016	2%	4%	3%
2015	3%	4%	3%
2014	1%	3%	3%
2013	2%	3%	3%

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All Ethnic Groups

0.39

0.62

View Data

Diversity Score Comparison Over Years (1991-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	0.41	0.62	0.51
2022	0.43	0.61	0.51
2021	0.40	0.61	0.51
2020	0.50	0.60	0.49
2019	0.50	0.60	0.49
2018	0.40	0.60	0.49
2017	0.40	0.60	0.49
2016	0.36	0.60	0.48
2015	0.39	0.60	0.49
2014	0.38	0.59	0.49
2013	0.37	0.59	0.49
2012	0.36	0.59	0.49
2011	0.34	0.58	0.48
2010	0.41	0.55	0.43
2009	0.40	0.55	0.42
2008	0.41	0.55	0.42
2007	0.46	0.54	0.40
2006	0.43	0.53	0.39
2005	0.49	0.52	0.38
2004	0.46	0.52	0.37
2003	0.55	0.51	0.35
2002	0.58	0.50	0.33
2001	0.60	0.49	0.31
2000	0.61	0.47	0.29
1999	0.57	0.46	0.27
1998	0.55	0.46	0.26
1997	0.54	0.45	0.25
1996	0.49	0.45	0.24
1995	0.49	0.43	0.23
1994	0.47	0.41	0.22
1993	0.46	0.41	0.22
1992	0.48	0.40	0.22
1991	0.46	0.40	0.21

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Eligible for

75%

39%

View Data

Free Lunch Eligibility Comparison Over Years (1993-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	79%	33%	26%
2022	66%	30%	23%
2021	77%	33%	25%
2020	76%	33%	24%
2019	76%	33%	24%
2018	72%	35%	25%
2017	72%	35%	25%
2016	78%	34%	23%
2015	78%	34%	24%
2014	81%	35%	25%
2013	87%	34%	26%
2012	87%	34%	25%
2011	83%	33%	25%
2010	83%	31%	23%
2009	78%	28%	19%
2008	78%	28%	19%
2007	80%	27%	19%
2006	75%	27%	19%
2005	72%	25%	15%
2004	63%	24%	13%
2003	59%	22%	11%
2002	55%	21%	10%
2001	54%	20%	9%
2000	44%	21%	10%
1999	50%	21%	10%
1998	45%	22%	10%
1997	41%	22%	10%
1996	39%	22%	10%
1995	40%	22%	10%
1994	43%	21%	10%
1993	34%	20%	9%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2003-2023)
Year	Lumberg Elementary School	Colorado	Jefferson County School District No. R-1
2023	10%	7%	7%
2022	9%	6%	6%
2021	8%	7%	6%
2020	8%	8%	7%
2019	8%	8%	7%
2018	11%	8%	7%
2017	11%	8%	7%
2016	6%	7%	6%
2015	6%	7%	6%
2014	4%	7%	7%
2013	5%	7%	7%
2012	6%	7%	7%
2011	5%	7%	5%
2010	6%	7%	6%
2009	6%	7%	6%
2008	7%	7%	6%
2007	6%	7%	5%
2006	7%	6%	5%
2005	7%	6%	5%
2004	9%	6%	5%
2003	13%	7%	5%

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School Statewide Testing

School District Name

Jefferson County School District No. R-1

Source: National Center for Education Statistics (NCES), CO Dept. of Education

School Notes

School Mascot: Lynxes

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Lumberg Elementary School's ranking?

Lumberg Elementary School is ranked #1725 out of 1,748 schools, which ranks it among the bottom 50% of public schools in Colorado.

What schools are Lumberg Elementary School often compared to?

Lumberg Elementary Schoolis often viewed alongside schools like Edgewater Elementary School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

≤5% of students have achieved math proficiency (compared to the 33% CO state average), while 10-14% of students have achieved reading proficiency (compared to the 45% CO state average).

How many students attend Lumberg Elementary School?

532 students attend Lumberg Elementary School.

What is the racial composition of the student body?

77% of Lumberg Elementary School students are Hispanic, 11% of students are White, 6% of students are Black, 3% of students are Two or more races, 2% of students are American Indian, and 1% of students are Hawaiian.

What is the student-teacher ratio of Lumberg Elementary School?

Lumberg Elementary School has a student ration of 16:1, which is higher than the Colorado state average of 15:1.

What grades does Lumberg Elementary School offer ?

Lumberg Elementary School offers enrollment in grades Prekindergarten-6 (No virtual instruction).

What school district is Lumberg Elementary School part of?

Lumberg Elementary School is part of Jefferson County School District No. R-1.