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Jefferson County Open Junior High School (Closed 2007)

7655 West 10th Avenue
Denver, CO 80215

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Jefferson County Open Junior High School serves 95 students in grades 7-8.

The student-teacher ratio of 12:1 was lower than the Colorado state level of 15:1.

Minority enrollment was 19% of the student body (majority Hispanic), which was lower than the Colorado state average of 51% (majority Hispanic).

School Overview

Grades Offered

Grades 7-8

View Data

Distribution of Students By Grade Trends
Grade	Jefferson County Open Junior High School
7	46
8	49

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Total Students

95 students

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Total Students Trends Over Years (1993-2025)
Year	Jefferson County Open Junior High School
2025	95
2024	95
2023	95
2022	95
2021	95
2020	95
2019	95
2018	95
2017	95
2016	95
2015	95
2006	95
2005	98
2004	106
2003	106
2002	107
2001	104
2000	105
1999	107
1998	103
1997	105
1996	104
1995	101
1994	99
1993	100

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Total Classroom Teachers

8 teachers

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Total Classroom Teachers Trends Over Years (1995-2025)
Year	Jefferson County Open Junior High School
2025	8
2024	8
2023	8
2022	8
2021	8
2020	8
2019	8
2018	8
2017	8
2016	8
2015	8
2006	8
2005	10
2004	6
2003	6
2002	6
2001	4
1998	4
1997	5
1996	4
1995	3

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School Rankings

This School

State Level (CO)

Student-Teacher Ratio

12:1

15:1

View Data

Student-Teacher Ratio Comparison Over Years (1995-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	12:1	15:1
2024	12:1	15:1
2023	12:1	17:1	16:1
2022	12:1	17:1	16:1
2021	12:1	17:1	17:1
2020	12:1	17:1	18:1
2019	12:1	17:1	18:1
2018	12:1	17:1	18:1
2017	12:1	17:1	18:1
2016	12:1	17:1	18:1
2015	12:1	17:1	18:1
2006	12:1	17:1	18:1
2005	10:1	17:1	19:1
2004	18:1	17:1	19:1
2003	18:1	17:1	18:1
2002	18:1	17:1	19:1
2001	26:1	18:1	20:1
1998	25:1	18:1	21:1
1997	20:1	18:1	21:1
1996	30:1	18:1	21:1
1995	40:1	18:1	21:1

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American Indian

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American Indian Student Percentage Comparison Over Years (1993-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	5%	1%
2024	5%	1%
2023	5%	1%
2022	5%	1%	1%
2021	5%	1%	1%
2020	5%	1%	2%
2019	5%	1%	2%
2018	5%	1%
2017	5%	1%
2016	5%	1%
2015	5%	1%
2006	6%	1%	1%
2005	2%	1%	1%
2004	3%	1%	1%
2003	4%	1%	1%
2002	2%	1%	1%
2001	1%	1%	2%
2000	1%	1%	1%
1999	1%	1%	1%
1998	5%	1%	1%
1997	3%	1%	1%
1996	1%	1%	1%
1995	2%	1%	1%
1994	3%	1%	1%
1993	2%	1%	1%

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Asian

View Data

Asian Student Percentage Comparison Over Years (1997-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	2%	3%
2024	2%	3%
2023	2%	3%	4%
2022	2%	3%	3%
2021	2%	3%	3%
2020	2%	3%	3%
2019	2%	3%	3%
2018	2%	3%	3%
2017	2%	3%	3%
2016	2%	3%	3%
2015	2%	3%	4%
2006	2%	3%	4%
2005	3%	3%	4%
2004	2%	3%	4%
2003	1%	3%	4%
2002	2%	3%	3%
2001	1%	3%	3%
2000	1%	3%	3%
1999	1%	3%	3%
1998	2%	3%	3%
1997	2%	3%	3%

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Hispanic

10%

37%

View Data

Hispanic Student Percentage Comparison Over Years (1993-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	10%	37%
2024	10%	36%
2023	10%	35%	26%
2022	10%	35%	25%
2021	10%	34%	25%
2020	10%	34%	23%
2019	10%	34%	23%
2018	9%	34%	25%
2017	9%	34%	25%
2016	9%	33%	25%
2015	9%	33%	26%
2006	9%	27%	17%
2005	12%	26%	16%
2004	6%	25%	15%
2003	8%	24%	14%
2002	7%	23%	13%
2001	5%	22%	12%
2000	7%	21%	11%
1999	9%	20%	10%
1998	8%	19%	10%
1997	7%	19%	9%
1996	5%	18%	9%
1995	6%	18%	8%
1994	3%	17%	8%
1993	3%	17%	8%

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Black

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Black Student Percentage Comparison Over Years (1995-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	2%	5%
2024	2%	5%
2023	2%	5%	1%
2022	2%	4%	1%
2021	2%	5%	1%
2020	2%	5%	1%
2019	2%	5%	1%
2018	2%	5%	1%
2017	2%	5%	1%
2016	2%	5%	1%
2015	2%	5%	1%
2006	2%	6%	2%
2005	1%	6%	2%
2004	3%	6%	2%
2003	1%	6%	2%
2002	1%	6%	2%
2001	3%	6%	1%
2000	3%	5%	1%
1999	1%	5%	1%
1998	1%	5%	1%
1995	1%	4%	1%

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White

81%

49%

View Data

White Student Percentage Comparison Over Years (1993-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	81%	49%
2024	81%	50%
2023	81%	51%	65%
2022	81%	52%	66%
2021	81%	52%	66%
2020	81%	53%	67%
2019	81%	53%	67%
2018	82%	53%	67%
2017	82%	53%	67%
2016	82%	54%	68%
2015	82%	54%	66%
2006	81%	63%	76%
2005	82%	64%	77%
2004	86%	65%	78%
2003	86%	66%	79%
2002	88%	67%	81%
2001	90%	68%	82%
2000	88%	70%	84%
1999	88%	71%	85%
1998	84%	72%	85%
1997	88%	72%	86%
1996	93%	73%	86%
1995	91%	74%	87%
1994	94%	75%	87%
1993	95%	75%	87%

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Hawaiian

n/a

Two or more races

n/a

All Ethnic Groups

0.33

0.63

View Data

Diversity Score Comparison Over Years (1993-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	0.33	0.62
2024	0.33	0.62
2023	0.33	0.62	0.51
2022	0.33	0.61	0.51
2021	0.33	0.61	0.51
2020	0.33	0.60	0.49
2019	0.33	0.60	0.49
2018	0.32	0.60	0.49
2017	0.32	0.60	0.49
2016	0.32	0.60	0.48
2015	0.32	0.60	0.49
2006	0.34	0.53	0.39
2005	0.31	0.52	0.38
2004	0.25	0.52	0.37
2003	0.25	0.51	0.35
2002	0.21	0.50	0.33
2001	0.19	0.49	0.31
2000	0.21	0.47	0.29
1999	0.22	0.46	0.27
1998	0.29	0.46	0.26
1997	0.21	0.45	0.25
1996	0.13	0.45	0.24
1995	0.17	0.43	0.23
1994	0.12	0.41	0.22
1993	0.10	0.41	0.22

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Eligible for

32%

39%

View Data

Free Lunch Eligibility Comparison Over Years (1996-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	32%	39%
2024	32%	39%
2023	32%	33%	26%
2022	32%	30%	23%
2021	32%	33%	25%
2020	32%	33%	24%
2019	32%	33%	24%
2018	31%	35%	25%
2017	31%	35%	25%
2016	31%	34%	23%
2015	31%	34%	24%
2006	32%	27%	19%
2005	24%	25%	15%
2004	17%	24%	13%
2003	16%	22%	11%
2002	9%	21%	10%
2001	11%	20%	9%
2000	17%	21%	10%
1998	19%	22%	10%
1997	13%	22%	10%
1996	10%	22%	10%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2001-2025)
Year	Jefferson County Open Junior High School	Colorado	Jefferson County School District No. R-1
2025	6%	5%
2024	6%	6%
2023	6%	7%	7%
2022	6%	6%	6%
2021	6%	7%	6%
2020	6%	8%	7%
2019	6%	8%	7%
2018	6%	8%	7%
2017	6%	8%	7%
2016	6%	7%	6%
2015	6%	7%	6%
2006	6%	6%	5%
2005	8%	6%	5%
2004	15%	6%	5%
2003	8%	7%	5%
2002	12%	7%	5%
2001	11%	7%	5%

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School Statewide Testing

View Education Department Test Scores

School District Name

Jefferson County School District No. R-1

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

Frequently Asked Questions

How many students attend Jefferson County Open Junior High School?

95 students attend Jefferson County Open Junior High School.

What is the racial composition of the student body?

81% of Jefferson County Open Junior High School students are White, 10% of students are Hispanic, 5% of students are American Indian, 2% of students are Asian, and 2% of students are Black.

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

Jefferson County Open Junior High School has a student ration of 12:1, which is lower than the Colorado state average of 15:1.

What grades does Jefferson County Open Junior High School offer ?

Jefferson County Open Junior High School offers enrollment in grades 7-8

What school district is Jefferson County Open Junior High School part of?

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

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