Home > Minnesota > Marshall County

Warren-Alvarado-Oslo School District

224 E Bridge Ave
Warren, MN 56762-1599

( shown in map)

:

8/

10

Top 30%

Tel: (218) 745-5393

www.wao.k12.mn.us

For the 2025-26 school year, there are 2 public high schools serving 266 students in Warren-Alvarado-Oslo School District. This district's average high is 8/10, which is in the top 30% of public high schools in Minnesota.

Public High Schools in Warren-Alvarado-Oslo School District have an score of 42% (versus the Minnesota public high school average of 36%), and score of 52% (versus the 51% statewide average).

Public High School in Warren-Alvarado-Oslo School District have a of 90%, which is more than the Minnesota average of 83%.

The school with highest graduation rate is Warren-alvarado-oslo Secondary, with ≥90% graduation rate. Read more about public school graduation rate statistics in Minnesota or national school graduation rate statistics.

Minority enrollment is 15% of the student body (majority Hispanic), which is less than the Minnesota public high school average of 37% (majority Hispanic and Black).

Overview

This School District

This State (MN)

# Schools

3 Schools

1,172 Schools

# Students

580 Students

309,925 Students

# Teachers

40 Teachers

18,770 Teachers

Student-Teacher Ratio

15:1

15:1

Student By Grade

Comparison of Students By Grade Trends
Grade	Warren-Alvarado-Oslo School District	Minnesota
6	35	6
7	41	20
8	35	23
9	35	122
10	42	125
11	39	126
12	39	133

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District Rank

Warren-Alvarado-Oslo School District, which is ranked within the top 50% of all 520 school districts in Minnesota (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.

The school district's graduation rate of 90% has increased from 80% over five school years.

This School District

State Average (MN)

#154 out of 525 school districts
(Top 30%)

Overall School District Rank Trends
Year	Warren-Alvarado-Oslo School District
2023	#154
2022	#224
2021	#135
2019	#243
2018	#207
2017	#278
2016	#226
2015	#202
2014	#267
2013	#177
2012	#131

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49%

46%

Math Proficiency Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	49%	46%
2022	42%	45%
2021	47%	45%
2019	57%	56%
2018	56%	58%
2017	57%	59%
2016	63%	60%
2015	61%	61%
2014	58%	61%
2013	62%	61%
2012	70%	62%

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51%

51%

Reading and Language Arts Proficiency Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2022	51%	51%
2021	53%	53%
2019	53%	59%
2018	56%	60%
2017	52%	61%
2016	53%	60%
2015	58%	60%
2014	53%	59%
2013	57%	58%
2012	77%	76%
2011	75%	74%

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34%

41%

Science Proficiency Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2022	34%	41%
2021	42%	45%

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(21-22)

≥90%

84%

Graduation Rate Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2022	90%	84%
2021	90%	84%
2020	80%	84%
2019	90%	84%
2018	80%	83%
2017	80%	83%
2016	90%	82%
2015	90%	82%
2014	80%	82%
2013	84%	81%
2012	84%	80%

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Students by Ethnicity:

0.28

0.57

Comparison of Diversity Score Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	0.30	0.59
2022	0.31	0.58
2021	0.32	0.57
2020	0.31	0.54
2019	0.31	0.54
2018	0.28	0.53
2017	0.28	0.53
2016	0.32	0.52
2015	0.32	0.51
2014	0.30	0.48
2013	0.33	0.47
2012	0.29	0.45
2011	0.31	0.44
2010	0.31	0.42
2009	0.31	0.41
2008	0.30	0.41
2007	0.26	0.40
2006	0.22	0.37
2005	0.23	0.37
2004	0.22	0.35
2003	0.18	0.34
2002	0.18	0.32
2001	0.23	0.31
2000	0.15	0.29
1999	0.18	0.28
1998	0.19	0.26
1997	0.19	0.24
1996	0.18	0.23

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% American Indian

n/a

2%

American Indian Student Percentage Comparison Over Years (2003-2010)
Year	Warren-Alvarado-Oslo School District	Minnesota
2010	2%	2%
2009	1%	2%
2008	1%	3%
2007	1%	2%
2005	1%	3%
2004	1%	3%
2003	1%	3%

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% Asian

1%

7%

Asian Student Percentage Comparison Over Years (2009-2011)
Year	Warren-Alvarado-Oslo School District	Minnesota
2011	2%	6%
2010	1%	6%
2009	1%	6%

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% Hispanic

12%

11%

Hispanic Student Percentage Comparison Over Years (1996-2023)
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	15%	11%
2022	14%	10%
2021	15%	10%
2020	15%	9%
2019	15%	9%
2018	13%	9%
2017	13%	9%
2016	15%	9%
2015	16%	9%
2014	15%	8%
2013	15%	8%
2012	15%	7%
2011	16%	7%
2010	14%	7%
2009	15%	6%
2008	15%	6%
2007	13%	6%
2006	12%	5%
2005	12%	5%
2004	11%	4%
2003	10%	4%
2002	10%	4%
2001	12%	3%
2000	8%	3%
1999	10%	3%
1998	11%	2%
1997	11%	2%
1996	10%	2%

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% Black

n/a

11%

Black Student Percentage Comparison Over Years (2001-2010)
Year	Warren-Alvarado-Oslo School District	Minnesota
2010	1%	10%
2009	1%	10%
2008	1%	9%
2007	1%	9%
2001	1%	7%

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% White

84%

63%

White Student Percentage Comparison Over Years (1996-2023)
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	83%	62%
2022	82%	63%
2021	81%	64%
2020	82%	66%
2019	82%	66%
2018	84%	67%
2017	84%	67%
2016	81%	68%
2015	81%	69%
2014	82%	71%
2013	81%	72%
2012	83%	73%
2011	81%	74%
2010	82%	75%
2009	82%	76%
2008	83%	76%
2007	85%	77%
2006	88%	79%
2005	87%	79%
2004	88%	80%
2003	89%	81%
2002	90%	82%
2001	87%	83%
2000	92%	84%
1999	90%	85%
1998	89%	86%
1997	89%	87%
1996	90%	87%

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% Hawaiian

n/a

n/a

% Two or more races

3%

6%

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	2%	6%
2022	4%	6%
2021	4%	6%
2020	3%	5%
2019	3%	5%
2018	3%	4%
2017	3%	4%
2016	4%	4%
2015	3%	4%
2014	3%	3%
2013	4%	3%

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All Ethnic Groups

District Revenue and Spending

The revenue/student of $14,841 in this school district is less than the state median of $17,860. The school district revenue/student has declined by 6% over four school years.

The school district's spending/student of $14,053 is less than the state median of $18,585. The school district spending/student has declined by 6% over four school years.

This School District

This State (MN)

Total Revenue

$9 MM

$15,547 MM

Total Revenues Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	$9 MM	$9 MM
2022	$8 MM	$9 MM
2021	$9 MM	$9 MM
2020	$8 MM	$9 MM
2019	$8 MM	$8 MM
2018	$7 MM	$8 MM
2017	$7 MM	$7 MM
2016	$7 MM	$7 MM
2015	$6 MM	$6 MM
2014	$7 MM	$7 MM
2012	$6 MM	$6 MM
2011	$6 MM	$7 MM
2010	$6 MM	$6 MM
2009	$6 MM	$6 MM
2008	$6 MM	$6 MM
2007	$6 MM	$6 MM
2006	$6 MM	$6 MM
2005	$6 MM	$6 MM
2004	$6 MM	$6 MM
2003	$6 MM	$6 MM
2002	$6 MM	$7 MM
2001	$6 MM	$7 MM
2000	$6 MM	$6 MM
1999	$6 MM	$7 MM
1998	$6 MM	$7 MM
1997	$5 MM	$7 MM
1996	$5 MM	$6 MM
1995	$5 MM	$5 MM

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Spending

$8 MM

$16,179 MM

Total Expenditure Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	$8 MM	$9 MM
2022	$8 MM	$9 MM
2021	$8 MM	$9 MM
2020	$8 MM	$9 MM
2019	$7 MM	$9 MM
2018	$7 MM	$8 MM
2017	$7 MM	$8 MM
2016	$7 MM	$7 MM
2015	$6 MM	$6 MM
2014	$6 MM	$7 MM
2012	$8 MM	$6 MM
2011	$6 MM	$6 MM
2010	$6 MM	$6 MM
2009	$6 MM	$6 MM
2008	$6 MM	$6 MM
2007	$6 MM	$6 MM
2006	$6 MM	$6 MM
2005	$6 MM	$6 MM
2004	$6 MM	$6 MM
2003	$6 MM	$7 MM
2002	$6 MM	$7 MM
2001	$6 MM	$7 MM
2000	$6 MM	$7 MM
1999	$5 MM	$7 MM
1998	$5 MM	$7 MM
1997	$5 MM	$7 MM
1996	$5 MM	$6 MM
1995	$5 MM	$6 MM

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Revenue / Student

$14,841

$17,860

Average Revenue Per Student Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	$14,715	$15,292
2022	$14,697	$14,997
2021	$15,882	$15,834
2020	$14,697	$14,997
2019	$14,500	$14,113
2018	$14,759	$14,902
2017	$15,087	$14,246
2016	$15,922	$13,431
2015	$12,706	$12,051
2014	$15,042	$12,820
2012	$13,522	$12,250
2011	$14,204	$12,557
2010	$13,255	$12,051
2009	$12,639	$11,416
2008	$12,880	$11,377
2007	$12,027	$10,573
2006	$11,513	$10,187
2005	$10,528	$9,471
2004	$11,018	$9,255
2003	$10,403	$9,258
2002	$9,667	$9,018
2001	$9,361	$8,614
2000	$8,753	$8,140
1999	$7,485	$8,059
1998	$7,299	$7,429

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Spending / Student

$14,053

$18,585

Average Expenditure Per Student Trends
Year	Warren-Alvarado-Oslo School District	Minnesota
2023	$13,933	$15,221
2022	$14,319	$15,385
2021	$15,039	$15,759
2020	$14,319	$15,385
2019	$13,817	$14,956
2018	$13,708	$15,174
2017	$14,148	$14,982
2016	$15,102	$14,117
2015	$12,564	$11,992
2014	$14,864	$13,172
2012	$18,998	$12,023
2011	$13,828	$11,899
2010	$13,107	$11,992
2009	$12,824	$11,593
2008	$12,933	$11,230
2007	$12,481	$10,536
2006	$12,029	$10,149
2005	$10,541	$9,268
2004	$10,987	$9,179
2003	$10,897	$9,746
2002	$9,563	$9,476
2001	$8,981	$8,680
2000	$7,989	$8,712
1999	$7,193	$8,638
1998	$6,853	$7,392

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Best Warren-Alvarado-Oslo School District Public High Schools (2025-26)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Warren-alvarado-oslo Secondary

(Math: 40-44% | Reading: 50-54%)
:

6/

10

Top 50%

Add to Compare

224 E Bridge Ave
Warren, MN 56762
(218) 745-4636

Gr: 6-12 | 266 students Student-teacher ratio: 16:1 Minority enrollment: 15%

Rank: n/an/a

Warren-alvarado-olso Alp

Alternative School

Add to Compare

224 E Bridge Ave
Warren, MN 56762
(218) 745-4646

Gr: 9-12

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Quick Facts (2025-26)

District size: 3 schools
Grades: PK-12
Enrollment: 580 students
Student-Teacher Ratio: 15:1
Minority Enrollment: 16%
: ≥90% (Btm 50% in MN)
: Top 30%
: 49% (Top 30%)
: 51% (Top 50%)
: 34% (Btm 50%)
Source: National Center for Education Statistics (NCES), MN Dept. of Education

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