Jefferson County Open Elementary School (Ranked Bottom 50% for 2025-26)

7655 West 10th Avenue
Denver, CO 80215

( shown in map)

Bottom 50%

Serving 240 students in grades Prekindergarten-6, Jefferson County Open 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 15-19% (which is lower than the Colorado state average of 33%). The percentage of students achieving is 50-54% (which is higher than the Colorado state average of 45%).

The student-teacher ratio of 15:1 is equal to the Colorado state level of 15:1.

Minority enrollment is 24% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).

Quick Facts (2025-26)

Grades: Prekindergarten-6
Enrollment: 240 students
Student-Teacher Ratio: 15:1
Minority Enrollment: 24%
: Bottom 50% in CO
: 15-19% (Btm 50%)
: 50-54% (Top 30%)
Source: National Center for Education Statistics (NCES), CO Dept. of Education

School Overview

Jefferson County Open Elementary School's student population of 240 students has stayed relatively flat over five school years.

The teacher population of 16 teachers has grown by 14% over five school years.

Grades Offered

Grades Prekindergarten-6
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Jefferson County Open Elementary School
Pre-K	20
Kind	27
1	29
2	30
3	28
4	33
5	32
6	41

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Total Students

240 students

View Data

Total Students Trends Over Years (1993-2023)
Year	Jefferson County Open Elementary School
2023	239
2022	228
2021	237
2020	243
2019	243
2018	231
2017	231
2016	223
2015	233
2014	225
2013	232
2012	236
2011	236
2010	238
2009	241
2008	231
2007	229
2006	234
2005	266
2004	277
2003	251
2002	243
2001	230
2000	227
1999	227
1998	247
1997	250
1996	249
1995	276
1994	288
1993	283

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Gender %

Total Classroom Teachers

16 teachers

View Data

Total Classroom Teachers Trends Over Years (1994-2023)
Year	Jefferson County Open Elementary School
2023	16
2022	15
2021	17
2020	14
2019	14
2018	13
2017	13
2016	13
2015	13
2014	12
2013	16
2012	16
2011	16
2010	16
2009	16
2008	15
2007	14
2006	14
2005	14
2004	14
2003	12
2002	11
2001	9
1998	9
1997	6
1996	7
1995	9
1994	10

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Year Founded

1970

School Calendar

School Rankings

Jefferson County Open 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 Jefferson County Open Elementary School is 0.40, 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)

#892 out of 1748 schools
(Bottom 50%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Jefferson County Open Elementary School
2023	#892
2022	#801
2021	#601
2019	#663
2018	#532
2017	#693
2016	#883
2015	#730
2014	#466
2013	#752
2012	#556

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15-19%

33%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2023	17%	33%	40%
2022	22%	32%	38%
2021	32%	33%	36%
2019	37%	35%	41%
2018	37%	35%	42%
2017	32%	33%	40%
2016	27%	33%	40%
2015	32%	31%	39%
2014	72%	57%	63%
2013	62%	57%	63%
2012	67%	56%	62%

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50-54%

45%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2022	52%	45%	52%
2021	54%	47%	53%
2019	52%	47%	54%
2018	57%	44%	42%
2017	47%	42%	49%
2016	37%	40%	46%
2015	37%	40%	49%
2014	77%	69%	76%
2013	72%	70%	77%
2012	77%	70%	76%
2011	87%	89%	94%

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Student-Teacher Ratio

15:1

View Data

Student-Teacher Ratio Comparison Over Years (1994-2023)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2023	15:1	16:1	16:1
2022	15:1	15:1	16:1
2021	14:1	15:1	17:1
2020	17:1	16:1	18:1
2019	17:1	16:1	18:1
2018	18:1	17:1	18:1
2017	18:1	17:1	18:1
2016	17:1	17:1	18:1
2015	18:1	17:1	18:1
2014	19:1	17:1	18:1
2013	15:1	17:1	18:1
2012	15:1	17:1	18:1
2011	14:1	17:1	18:1
2010	15:1	16:1	18:1
2009	15:1	16:1	17:1
2008	16:1	16:1	18:1
2007	16:1	17:1	18:1
2006	17:1	16:1	18:1
2005	19:1	17:1	19:1
2004	20:1	16:1	19:1
2003	21:1	16:1	18:1
2002	22:1	17:1	19:1
2001	26:1	17:1	20:1
1998	27:1	18:1	21:1
1997	42:1	18:1	21:1
1996	38:1	18:1	21:1
1995	32:1	18:1	21:1
1994	29:1	18:1	22:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (1992-2016)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2016	1%	1%
2015	1%	1%
2014	1%	1%	1%
2010	3%	1%	2%
2009	3%	1%	1%
2008	4%	2%	1%
2007	3%	1%	1%
2006	3%	1%	1%
2005	3%	1%	1%
2004	1%	1%	1%
2003	1%	1%	1%
2001	2%	1%	2%
2000	1%	1%	1%
1999	2%	1%	1%
1998	1%	1%	1%
1997	2%	1%	1%
1996	2%	1%	1%
1995	1%	1%	1%
1994	1%	1%	1%
1993	1%	1%	1%
1992	1%	1%	1%

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Asian

n/a

View Data

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

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Hispanic

15%

36%

View Data

Hispanic Student Percentage Comparison Over Years (1993-2023)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2023	16%	35%	26%
2022	13%	35%	25%
2021	16%	34%	25%
2020	15%	34%	23%
2019	15%	34%	23%
2018	18%	34%	25%
2017	18%	34%	25%
2016	15%	33%	25%
2015	16%	33%	26%
2014	13%	33%	24%
2013	14%	32%	24%
2012	13%	32%	24%
2011	16%	32%	23%
2010	12%	29%	19%
2009	16%	28%	19%
2008	14%	28%	19%
2007	14%	28%	18%
2006	12%	27%	17%
2005	11%	26%	16%
2004	12%	25%	15%
2003	14%	24%	14%
2002	12%	23%	13%
2001	8%	22%	12%
2000	7%	21%	11%
1999	8%	20%	10%
1998	6%	19%	10%
1997	5%	19%	9%
1996	5%	18%	9%
1995	5%	18%	8%
1994	3%	17%	8%
1993	2%	17%	8%

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Black

n/a

View Data

Black Student Percentage Comparison Over Years (1993-2014)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2014	1%	5%	1%
2013	2%	5%	1%
2012	1%	5%	1%
2011	2%	5%	1%
2010	1%	6%	2%
2009	1%	6%	2%
2008	1%	6%	2%
2007	1%	6%	2%
2006	2%	6%	2%
2005	4%	6%	2%
2004	4%	6%	2%
2003	4%	6%	2%
2002	3%	6%	2%
2001	2%	6%	1%
2000	2%	5%	1%
1999	2%	5%	1%
1998	3%	5%	1%
1997	3%	5%	1%
1996	2%	5%	1%
1995	1%	4%	1%
1993	1%	5%	1%

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White

76%

50%

View Data

White Student Percentage Comparison Over Years (1993-2023)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2023	75%	51%	65%
2022	78%	52%	66%
2021	75%	52%	66%
2020	78%	53%	67%
2019	78%	53%	67%
2018	76%	53%	67%
2017	76%	53%	67%
2016	79%	54%	68%
2015	79%	54%	66%
2014	80%	55%	68%
2013	80%	56%	68%
2012	79%	56%	68%
2011	78%	57%	68%
2010	83%	60%	73%
2009	79%	61%	74%
2008	80%	61%	74%
2007	81%	62%	75%
2006	81%	63%	76%
2005	80%	64%	77%
2004	81%	65%	78%
2003	79%	66%	79%
2002	82%	67%	81%
2001	84%	68%	82%
2000	85%	70%	84%
1999	84%	71%	85%
1998	88%	72%	85%
1997	90%	72%	86%
1996	89%	73%	86%
1995	92%	74%	87%
1994	95%	75%	87%
1993	94%	75%	87%

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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	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2023	9%	5%	4%
2022	9%	5%	4%
2021	8%	5%	4%
2020	6%	4%	4%
2019	6%	4%	4%
2018	6%	4%	4%
2017	6%	4%	4%
2016	5%	4%	3%
2015	4%	4%	3%
2014	4%	3%	3%
2013	4%	3%	3%

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All Ethnic Groups

0.40

0.62

View Data

Diversity Score Comparison Over Years (1993-2023)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2023	0.41	0.62	0.51
2022	0.37	0.61	0.51
2021	0.41	0.61	0.51
2020	0.37	0.60	0.49
2019	0.37	0.60	0.49
2018	0.39	0.60	0.49
2017	0.39	0.60	0.49
2016	0.35	0.60	0.48
2015	0.35	0.60	0.49
2014	0.34	0.59	0.49
2013	0.34	0.59	0.49
2012	0.36	0.59	0.49
2011	0.37	0.58	0.48
2010	0.30	0.55	0.43
2009	0.35	0.55	0.42
2008	0.34	0.55	0.42
2007	0.33	0.54	0.40
2006	0.33	0.53	0.39
2005	0.35	0.52	0.38
2004	0.33	0.52	0.37
2003	0.36	0.51	0.35
2002	0.31	0.50	0.33
2001	0.29	0.49	0.31
2000	0.27	0.47	0.29
1999	0.29	0.46	0.27
1998	0.22	0.46	0.26
1997	0.19	0.45	0.25
1996	0.21	0.45	0.24
1995	0.15	0.43	0.23
1994	0.10	0.41	0.22
1993	0.12	0.41	0.22

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Eligible for

36%

39%

View Data

Free Lunch Eligibility Comparison Over Years (1993-2023)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2023	31%	33%	26%
2022	22%	30%	23%
2021	25%	33%	25%
2020	24%	33%	24%
2019	24%	33%	24%
2018	26%	35%	25%
2017	26%	35%	25%
2016	25%	34%	23%
2015	28%	34%	24%
2014	34%	35%	25%
2013	36%	34%	26%
2012	32%	34%	25%
2011	35%	33%	25%
2010	27%	31%	23%
2009	27%	28%	19%
2008	26%	28%	19%
2007	26%	27%	19%
2006	33%	27%	19%
2005	32%	25%	15%
2004	27%	24%	13%
2003	24%	22%	11%
2002	18%	21%	10%
2001	20%	20%	9%
2000	15%	21%	10%
1999	19%	21%	10%
1998	18%	22%	10%
1997	18%	22%	10%
1996	16%	22%	10%
1995	12%	22%	10%
1994	12%	21%	10%
1993	8%	20%	9%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2003-2023)
Year	Jefferson County Open Elementary School	Colorado	Jefferson County School District No. R-1
2023	7%	7%	7%
2022	7%	6%	6%
2021	6%	7%	6%
2020	13%	8%	7%
2019	13%	8%	7%
2018	9%	8%	7%
2017	9%	8%	7%
2016	8%	7%	6%
2015	8%	7%	6%
2014	8%	7%	7%
2013	11%	7%	7%
2012	11%	7%	7%
2011	7%	7%	5%
2010	16%	7%	6%
2009	14%	7%	6%
2008	13%	7%	6%
2007	16%	7%	5%
2006	8%	6%	5%
2005	8%	6%	5%
2004	10%	6%	5%
2003	12%	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

Profile last updated: 02/09/2025

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Frequently Asked Questions

What is Jefferson County Open Elementary School's ranking?

Jefferson County Open Elementary School is ranked #892 out of 1,748 schools, which ranks it among the bottom 50% of public schools in Colorado.

What schools are Jefferson County Open Elementary School often compared to?

Jefferson County Open Elementary Schoolis often viewed alongside schools like Slater Elementary School by visitors of our site.

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

15-19% of students have achieved math proficiency (compared to the 33% CO state average), while 50-54% of students have achieved reading proficiency (compared to the 45% CO state average).

How many students attend Jefferson County Open Elementary School?

240 students attend Jefferson County Open Elementary School.

What is the racial composition of the student body?

76% of Jefferson County Open Elementary School students are White, 15% of students are Hispanic, and 9% of students are Two or more races.

What is the student-teacher ratio of Jefferson County Open Elementary School?

Jefferson County Open Elementary School has a student ration of 15:1, which is equal to the Colorado state average of 15:1.

What grades does Jefferson County Open Elementary School offer ?

Jefferson County Open Elementary School offers enrollment in grades Prekindergarten-6 (No virtual instruction).

What school district is Jefferson County Open Elementary School part of?

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

In what neighborhood is Jefferson County Open Elementary School located?

Jefferson County Open Elementary School is located in the Eiber neighborhood of Denver, CO. There are 2 other public schools located in Eiber.