Altona Middle School (Ranked Top 10% for 2025-26)

4600 Clover Basin Drive
Longmont, CO 80503

( shown in map)

10/

Top 10%

Serving 741 students in grades 6-8, Altona Middle School ranks in the top 10% of all schools in Colorado for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).

The percentage of students achieving is 62% (which is higher than the Colorado state average of 33%). The percentage of students achieving is 65% (which is higher than the Colorado state average of 45%).

The student-teacher ratio of 19:1 is higher than the Colorado state level of 15:1.

Minority enrollment is 29% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).

Quick Facts (2025-26)

Grades: 6-8
Enrollment: 741 students
Student-Teacher Ratio: 19:1
Minority Enrollment: 29%
: Top 10% in CO
: 62% (Top 10%)
: 65% (Top 20%)
: 50-54% (Top 10%)
Source: National Center for Education Statistics (NCES), CO Dept. of Education

Top Rankings

Altona Middle School ranks among the top 20% of public schools in Colorado for:

School Overview

Altona Middle School's student population of 741 students has declined by 10% over five school years.

The teacher population of 40 teachers has stayed relatively flat over five school years.

Grades Offered

Grades 6-8
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Altona Middle School
6	230
7	229
8	282

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Total Students

741 students

View Data

Total Students Trends Over Years (2007-2023)
Year	Altona Middle School
2023	770
2022	795
2021	794
2020	826
2019	826
2018	812
2017	812
2016	808
2015	773
2014	756
2013	711
2012	636
2011	643
2010	611
2009	577
2008	676
2007	579

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Gender %

Total Classroom Teachers

40 teachers

View Data

Total Classroom Teachers Trends Over Years (2007-2023)
Year	Altona Middle School
2023	40
2022	39
2021	39
2020	40
2019	40
2018	40
2017	40
2016	39
2015	38
2014	37
2013	34
2012	31
2011	33
2010	33
2009	31
2008	32
2007	31

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School Calendar

School Motto

Altona Middle School is a place where each individual student will create their own opportunities through Core, Enrichment, and Extracurricular achievement!

School Rankings

Altona Middle School ranks within the top 10% of all 1,748 schools in Colorado (based off of combined math and reading proficiency testing data).

The of Altona Middle School is 0.47, 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)

#163 out of 1748 schools
(Top 10%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Altona Middle School
2023	#163
2022	#216
2021	#241
2019	#118
2018	#70
2017	#66
2016	#60
2015	#40
2014	#151
2013	#170
2012	#197

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62%

33%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	62%	33%	41%
2022	55%	32%	37%
2021	46%	33%	32%
2019	60%	35%	40%
2018	63%	35%	38%
2017	63%	33%	36%
2016	66%	33%	36%
2015	65%	31%	32%
2014	82%	57%	60%
2013	81%	57%	61%
2012	80%	56%	58%

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65%

45%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2022	65%	45%	49%
2021	67%	47%	51%
2019	74%	47%	51%
2018	75%	44%	38%
2017	73%	42%	48%
2016	71%	40%	44%
2015	72%	40%	43%
2014	89%	69%	74%
2013	88%	70%	74%
2012	88%	70%	73%
2011	98%	89%	92%

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(20-21)

50-54%

29%

Student-Teacher Ratio

19:1

15:1

View Data

Student-Teacher Ratio Comparison Over Years (2007-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	19:1	16:1	17:1
2022	20:1	15:1	18:1
2021	20:1	15:1	18:1
2020	21:1	16:1	18:1
2019	21:1	16:1	18:1
2018	20:1	17:1	18:1
2017	20:1	17:1	18:1
2016	21:1	17:1	19:1
2015	20:1	17:1	18:1
2014	21:1	17:1	19:1
2013	21:1	17:1	18:1
2012	20:1	17:1	18:1
2011	19:1	17:1	18:1
2010	19:1	16:1	17:1
2009	19:1	16:1	19:1
2008	21:1	16:1	19:1
2007	19:1	17:1	20:1

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American Indian

n/a

View Data

American Indian Student Percentage Comparison Over Years (2006-2020)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2020	1%	1%
2019	1%	1%
2009	1%	1%	1%
2008	1%	2%	1%
2007	1%	1%	1%
2006	1%	1%	1%

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Asian

View Data

Asian Student Percentage Comparison Over Years (2007-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	9%	3%	4%
2022	8%	3%	4%
2021	8%	3%	3%
2020	9%	3%	4%
2019	9%	3%	4%
2018	10%	3%	4%
2017	10%	3%	4%
2016	10%	3%	3%
2015	8%	3%	4%
2014	9%	3%	4%
2013	9%	3%	4%
2012	8%	3%	4%
2011	8%	3%	4%
2010	10%	4%	4%
2009	9%	4%	4%
2008	7%	3%	4%
2007	6%	3%	4%

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Hispanic

14%

36%

View Data

Hispanic Student Percentage Comparison Over Years (2007-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	15%	35%	32%
2022	16%	35%	32%
2021	16%	34%	32%
2020	15%	34%	31%
2019	15%	34%	31%
2018	12%	34%	32%
2017	12%	34%	32%
2016	12%	33%	32%
2015	14%	33%	30%
2014	16%	33%	29%
2013	13%	32%	29%
2012	13%	32%	28%
2011	10%	32%	28%
2010	11%	29%	27%
2009	11%	28%	27%
2008	11%	28%	27%
2007	11%	28%	26%

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Black

View Data

Black Student Percentage Comparison Over Years (2007-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	1%	5%	1%
2022	1%	4%	1%
2021	1%	5%	1%
2020	1%	5%	1%
2019	1%	5%	1%
2018	1%	5%
2017	1%	5%
2016	1%	5%	1%
2015	1%	5%	2%
2014	1%	5%	1%
2013	1%	5%	1%
2012	1%	5%	1%
2011	2%	5%	1%
2010	2%	6%	1%
2009	2%	6%	1%
2008	3%	6%	1%
2007	3%	6%	1%

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White

71%

50%

View Data

White Student Percentage Comparison Over Years (2007-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	71%	51%	60%
2022	71%	52%	60%
2021	71%	52%	61%
2020	71%	53%	62%
2019	71%	53%	62%
2018	75%	53%	62%
2017	75%	53%	62%
2016	75%	54%	63%
2015	75%	54%	62%
2014	72%	55%	65%
2013	75%	56%	65%
2012	76%	56%	65%
2011	77%	57%	66%
2010	77%	60%	67%
2009	77%	61%	67%
2008	78%	61%	67%
2007	79%	62%	68%

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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	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	4%	5%	3%
2022	4%	5%	3%
2021	4%	5%	3%
2020	3%	4%	2%
2019	3%	4%	2%
2018	2%	4%	2%
2017	2%	4%	2%
2016	2%	4%	1%
2015	2%	4%	2%
2014	2%	3%	1%
2013	2%	3%	1%

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All Ethnic Groups

0.47

0.62

View Data

Diversity Score Comparison Over Years (2007-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	0.47	0.62	0.54
2022	0.47	0.61	0.54
2021	0.47	0.61	0.54
2020	0.47	0.60	0.52
2019	0.47	0.60	0.52
2018	0.42	0.60	0.51
2017	0.42	0.60	0.51
2016	0.42	0.60	0.51
2015	0.42	0.60	0.50
2014	0.45	0.59	0.50
2013	0.42	0.59	0.50
2012	0.40	0.59	0.50
2011	0.39	0.58	0.49
2010	0.39	0.55	0.48
2009	0.39	0.55	0.48
2008	0.38	0.55	0.48
2007	0.36	0.54	0.47

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Eligible for

16%

39%

View Data

Free Lunch Eligibility Comparison Over Years (2007-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	17%	33%	26%
2022	16%	30%	23%
2021	16%	33%	26%
2020	11%	33%	22%
2019	11%	33%	22%
2018	12%	35%	26%
2017	12%	35%	26%
2016	13%	34%	26%
2015	14%	34%	26%
2014	21%	35%	31%
2013	16%	34%	27%
2012	16%	34%	26%
2011	13%	33%	26%
2010	12%	31%	27%
2009	11%	28%	24%
2008	13%	28%	25%
2007	13%	27%	24%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2007-2023)
Year	Altona Middle School	Colorado	St. Vrain Valley School District No. Re1j
2023	5%	7%	8%
2022	3%	6%	5%
2021	4%	7%	7%
2020	4%	8%	7%
2019	4%	8%	7%
2018	3%	8%	6%
2017	3%	8%	6%
2016	3%	7%	6%
2015	2%	7%	5%
2014	2%	7%	6%
2013	2%	7%	5%
2012	3%	7%	5%
2011	2%	7%	5%
2010	2%	7%	5%
2009	2%	7%	4%
2008	3%	7%	5%
2007	2%	7%	5%

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School Statewide Testing

School District Name

St. Vrain Valley School District No. Re1j

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 Altona Middle School's ranking?

Altona Middle School is ranked #163 out of 1,748 schools, which ranks it among the top 10% of public schools in Colorado.

What schools are Altona Middle School often compared to?

Altona Middle Schoolis often viewed alongside schools like Westview Middle School by visitors of our site.

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

62% of students have achieved math proficiency (compared to the 33% CO state average), while 65% of students have achieved reading proficiency (compared to the 45% CO state average).

How many students attend Altona Middle School?

741 students attend Altona Middle School.

What is the racial composition of the student body?

71% of Altona Middle School students are White, 14% of students are Hispanic, 9% of students are Asian, 5% of students are Two or more races, and 1% of students are Black.

What is the student-teacher ratio of Altona Middle School?

Altona Middle School has a student ration of 19:1, which is higher than the Colorado state average of 15:1.

What grades does Altona Middle School offer ?

Altona Middle School offers enrollment in grades 6-8 (No virtual instruction).

What school district is Altona Middle School part of?

Altona Middle School is part of St. Vrain Valley School District No. Re1j.