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Average

#710 of 1,280 schools in IA

Gmg Secondary School

High School · GMG Comm School District

306 Park Street, Garwin, IA 50632

Enrollment

210

Student-Teacher

11.1:1

Score

6.2

Grades

7th – 12th

Data vintage2022-23

How this school compares

Iowa schools

#710 of 1,280

In district

#1 of 2

GMG Comm School District

School environment

8.2 / 10

Excellent

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Gmg Secondary School

6.2/10

High School in Garwin · grades 7th – 12th. Start here, then compare fit against nearby and district options.

Meskwaki Settlement School

Nearby

7.2 mi away. Use as a geographic alternative in the same move search.

East Marshall Senior High School

6.4/10

8.1 mi away. Use as a geographic alternative in the same move search.

About Gmg Secondary School

Gmg Secondary School is a public high school in Garwin, IA, part of GMG Comm School District. Gmg Secondary School serves approximately 210 students, and covers grades 7th-12th, and has a 11.1:1 student-teacher ratio. Gmg Secondary School has a current MySchoolScout rating of 6.2 out of 10 and ranks #710 of 1,280 schools in IA.

Structured state assessment records for Gmg Secondary School show 69% math proficiency (multi-year average, 2009-2025) and 75% reading/ELA proficiency (multi-year average, 2009-2025).

How it comparesOn par with IA schools
  • This school 6.2 · Average
  • IA avg 6.0

What Parents Should Know

Gmg Secondary School sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress4.7Below Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-1.07 pts/yr
Data Period2009–2025
TrendDeclining
Academics3.9Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency52% (2025 ISASP)
Reading/ELA Proficiency76% (2025 ISASP)
Math vs. State Avg-20.5 pts
Reading vs. State Avg+0.2 pts
Overall Proficiency64% (2025 ISASP, Math+ELA)
Expected (poverty-adj.)71% (model expectation from 2025 ISASP)
vs. Expected-6.9 pts
Adjusted Percentile20th
College Readiness8.1Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate80%+
IB ProgramNo
Resources & Environment8.2Excellent20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio11.1:1
Per-Pupil Spending$13,138
Chronic Absenteeism24.8%

Gmg Secondary School — Students at Gmg Secondary School score 64% proficient, which is below what's typical for similar communities (expected: 71%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

43.8%

Students qualifying for federal meal assistance

Test Scores IA ISASP (2024-25)

Math Proficiency 69.4% (multi-year average, 2009-2025)
School
State
69.9% (2025 ISASP)
ELA Proficiency 75.4% (multi-year average, 2009-2025)
School
State
75.9% (2025 ISASP)

Based on 40 test records from IA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
82%
ELA
72%
2010
Math
87%
ELA
72%
2011
Math
82%
ELA
67%
2012
Math
87%
ELA
72%
2013
Math
92%
ELA
72%
2014
Math
87%
ELA
72%
2015
Math
82%
ELA
72%
2016
Math
87%
ELA
82%
2017
Math
87%
ELA
77%
2018
Math
62%
ELA
77%
2019
Math
62%
ELA
77%
2020*
Math
57%
ELA
82%
2021*
Math
57%
ELA
82%
2022
Math
47%
ELA
77%
2025
Math
52%
ELA
76%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 4.7/10.

How Gmg Secondary School Compares

See how Gmg Secondary School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.2/10
45th percentile in IA
Academic
3.9/10
Needs Improvement
Growth
4.7/10
Below Average
Environment
8.2/10
Excellent
Sports
15
8 boys' · 7 girls'
Advanced STEM
3/5
Subjects offered
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
44%
Teaching Staff
11:1 student-teacher ratio
19 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
24.8%

Programs & Offerings

Athletics15sports offered
8 boys'·7 girls'·15 teams (incl. JV)·CRDC 2021-22
Advanced STEM Courses3 of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC 2021-22
Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

306 Park Street, Garwin, IA 50632

Nearby Alternatives

Families considering Gmg Secondary School may also want to explore other high schools in the area. BCLUW High School (rated 8.2/10, 13.3 miles away, in nearby Conrad), which scores notably higher. Another option is Gladbrook-Reinbeck Jr. High & High School (rated 8.0/10, 16.0 miles away, in nearby Reinbeck), which scores notably higher. Additionally, East Marshall Senior High School (rated 6.4/10, 8.1 miles away, in nearby Le Grand), with a very similar rating. For more schools in Garwin, see our Garwin schools guide .

Nearby Schools

20 within 13.2 mi
School Distance Rating
Meskwaki Settlement School Tama 7.2 mi
East Marshall Senior High School Le Grand 8.1 mi 6.4
South Tama County Middle School Toledo 8.7 mi 6.8
South Tama County Elementary School Tama 9.4 mi 5.9
GMG Elementary School Green Mountain 7.7 mi 4.4
South Tama County High School Tama 9.4 mi 5.1
North Tama High School Traer 12.5 mi 5.1
North Tama Elementary Traer 12.5 mi 5.7
Woodbury Elementary School Marshalltown 12.1 mi 7.9
BCLUW High School Conrad 13.3 mi 8.2
Gladbrook-Reinbeck Elementary School Reinbeck 15.9 mi 8.1
BCLUW Elementary School Conrad 13.6 mi 6.9
Gladbrook-Reinbeck Jr. High & High School Reinbeck 16.0 mi 8.0
Marshalltown Virtual Academy Marshalltown 12.6 mi 1.6
Anson Elementary School Marshalltown 12.6 mi 6.8
J C Hoglan Elementary School Marshalltown 12.9 mi 8.3
Marshalltown High School Marshalltown 12.8 mi 3.7
East Marshall Middle School Gilman 16.0 mi 5.7
Rogers Elementary School Marshalltown 12.9 mi 4.7
Lenihan Intermediate School Marshalltown 13.2 mi 6.5

Neighborhood Census ACS (2019-2023)

Census data for ZIP 50632 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$70,865

Median Home Value

$134,300

Median Rent

$628/mo

Population

1,204

College Educated

16.4%

Homeownership

86.4%

Poverty Rate

6%

Median Age

55.2

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Glidden-Ralston Jr-Sr High School Glidden, IA 6.3
Maple Valley-Anthon Oto High School Mapleton, IA 6.3
Pleasantville High School Pleasantville, IA 6.3
Sioux Central High School Sioux Rapids, IA 6.3
BURLINGTON NOTRE DAME JR/SR HIGH SCHOOL Burlington, IA 6.1
North Mahaska Jr-Sr High School New Sharon, IA 6.1

Frequently Asked Questions

Common questions about Gmg Secondary School

What grades does Gmg Secondary School serve?

Gmg Secondary School serves students in grades 7th through 12th.

How many students attend Gmg Secondary School?

Gmg Secondary School has an enrollment of approximately 210 students.

What is the student-teacher ratio at Gmg Secondary School?

The student-teacher ratio at Gmg Secondary School is 11.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Gmg Secondary School rank in IA?

Gmg Secondary School ranks #710 of 1,280 schools in IA.

What is Gmg Secondary School's MySchoolScout rating?

Gmg Secondary School has a current MySchoolScout rating of 6.2 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Gmg Secondary School?

Based on loaded state assessment records, Gmg Secondary School has 69% math proficiency (multi-year average, 2009-2025) and 75% reading/ELA proficiency (multi-year average, 2009-2025).

Is Gmg Secondary School a charter school?

No, Gmg Secondary School is not a charter school. It is a traditional public school operated by the local school district.

Is Gmg Secondary School a Title I school?

No, Gmg Secondary School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Gmg Secondary School?

43.8% of students at Gmg Secondary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
3 Car-Dependent
Bike Score
27 Somewhat Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
7th – 12th
Enrollment
210
Student-Teacher Ratio
11.1:1
Teachers (FTE)
19
Free/Reduced Lunch
43.8%
Type
regular
Setting
Distant Rural
County
Tama County
Chronic Absenteeism (SY 2022-23)
24.8%
4-Year Graduation
80%+

District

GMG Comm School District
District Enrollment
472
Schools in District
2
Per-Pupil Spending
$13,138
District Rank
#1 of 2

Other Schools in This District

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