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Maple Valley-Anthon Oto High School

Public Grades 9-12
180th
SchoolDigger Rank ?
of 340 Iowa High Schools
Better than 47% of Iowa high schools
Summary

Maple Valley-Anthon Oto High School is a public high school located in Mapleton, Iowa, serving 278 students in grades 9-12. The school is part of the Maple Valley-Anthon Oto Community School District, which is ranked 181 out of 313 districts in the state and has a 2-star rating from SchoolDigger.

Over the past 10 years, Maple Valley-Anthon Oto High School has seen fluctuations in its statewide ranking, ranging from 180 to 266 out of Iowa's high schools. In the most recent school year, the school ranked 180 out of 340 Iowa high schools, with a 2-star rating, placing it in the middle of the pack compared to other schools in the state. The school has maintained a relatively stable four-year graduation rate, ranging from 84.1% to 88.7%, which is slightly higher than the 88.3% rate at the nearby West Monona High School. However, Maple Valley-Anthon Oto High School has seen a concerning trend in chronic absenteeism, with rates ranging from 21.6% to 37.1%, significantly higher than the 21.6% rate at West Monona High School.

Academically, Maple Valley-Anthon Oto High School's proficiency rates in ISASP (Iowa Statewide Assessment of Student Progress) were generally on par with or slightly above the state averages in English Language Arts, Mathematics, and Science. However, the school's proficiency rates were lower than those of the nearby West Monona High School in several subject areas and grade levels. Additionally, the school has a relatively high percentage of students receiving free or reduced-price lunch, ranging from 49.12% to 52.33%, comparable to the 50.79% rate at West Monona High School. The school's spending per student, at $14,038, is higher than the $16,393 per student spent at West Monona High School, and the student-teacher ratio has decreased from 15 students per teacher in 2021-2022 to 12.8 students per teacher in 2023-2024, slightly lower than the 13.9 student-teacher ratio at West Monona High School.

256
Students ?
11.4
Student/teacher ratio ?
$14,038
Per pupil spending ?
37.5%
Free/discounted lunch ?
 501 South 7th Street
       Mapleton, IA  51034

(712) 881-1317

District: Maple Valley-Anthon Oto Community School District


Feeder schools for Maple Valley-Anthon Oto High School:

Elementary:    Anthon Elementary
    Mapleton Elementary School
Middle:    MVAO Middle School
Racial breakdown:

White:
89.8%
Hispanic:
7.4%
African American:
1.6%
more
 See top rated Iowa high schools

 Compare Maple Valley-Anthon Oto High School to nearby high schools!
At a glance
Ranking trend: Improving — 18th percentile in 2015 → 47th in 2025
Strengths
Ranking is trending up — up 29 percentile points since 2015
Small classes — about 11 students per teacher
Worth a look
!High chronic absenteeism (37% vs 22% Iowa)
Students meeting standards (2024-2025) ?
This school72%
District avg72%
Iowa avg69%
180th of 340
Iowa public high schools ?
Bottom 47%▲ up 29 pts since 2015
From bottom 18% (2015) to bottom 47% (2025)
See the entire ranking list of Iowa High Schools →
SchoolDigger rating ?
181st of 313Maple Valley-Anthon Oto Community School District among Iowa districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIowa percentileRating
202554.7180 of 34047.1%★★☆☆☆
202449.3197 of 33841.7%★★☆☆☆
202328.0273 of 33618.8%★☆☆☆☆
202237.3231 of 33230.4%★★☆☆☆
202138.5236 of 32727.8%★☆☆☆☆
201948.7189 of 32742.2%★★☆☆☆
201847.1207 of 32035.3%★★☆☆☆
201749.2202 of 32537.8%★★☆☆☆
201630.5250 of 32021.9%★☆☆☆☆
201526.6266 of 32417.9%★☆☆☆☆
201484.325 of 32292.2%★★★★★
201364.8126 of 35164.1%★★★☆☆
201264.5134 of 35161.8%★★★☆☆
By subject vs Iowa (2024-2025) ?
English Language Arts79%+6 vs state
Science73%+6 vs state
Mathematics64%-3 vs state

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Frequently Asked Questions about Maple Valley-Anthon Oto High School

Maple Valley-Anthon Oto High School ranks 180th of 340 Iowa high schools. SchoolDigger rates this school 2 stars out of 5.

In the 2024-25 school year, 256 students attended Maple Valley-Anthon Oto High School.

Students at Maple Valley-Anthon Oto High School are 90% White, 7% Hispanic, 2% African American.

Maple Valley-Anthon Oto High School is fed by the following schools:

Elementary : Anthon Elementary
Elementary : Mapleton Elementary School
Middle : MVAO Middle School


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Latest Iowa data All new data »
2024–25 graduation ratesJun 13, 2026
2024–25 ISASP test scoresAug 20, 2025
2023–24 graduation ratesApr 1, 2025
2017–18 through 2023–24 attendance dataNov 15, 2024


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Iowa Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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