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Platte - Geddes Junior High - 03

Public Grades 6-8
47th
SchoolDigger Rank ?
of 151 South Dakota Middle Schools
Better than 69% of South Dakota middle schools
Summary

Platte - Geddes Junior High - 03 is a public school serving 94 students in grades 6–8 in Platte, South Dakota; there are no other schools within 20 miles. In 2025–2026, students’ all-grade math proficiency was 57%, compared with 44% statewide, and eighth-grade science proficiency was 54%, compared with 41% statewide. ELA was essentially level with the state, at 49% versus 49.1%. The central finding is that math and eighth-grade science are clear strengths against state results, while ELA is near the state level and the school trails its district in all three subjects.

There are no nearby-school records for a direct comparison. Compared with the Platte - Geddes School District 11-5, the school was 10 percentage points behind in math, 8 points behind in ELA and 4 points behind in eighth-grade science. Its strongest state-relative results were math and science, each about 13 points above state rates. ELA also varies sharply by grade: eighth grade reached 64%, while seventh grade was 39%, a 25-point difference. Seventh-grade ELA was 14 points below its state comparison; eighth-grade ELA was 13 points above.

Results have shifted over time: all-grade ELA fell 8 points from 2022–2023 to 2025–2026, while math rose 1 point. Eighth-grade science gained 13 points over those years, though it remains below its 2023–2024 peak of 68%. SchoolDigger ranks the school at the 69th statewide percentile with 3 stars, down from the 81st percentile the prior year; the district is at the 90th percentile with 5 stars. The 2024–2025 student-teacher ratio was 12.8, and 17% of students were free/reduced lunch eligible that year. SchoolDigger’s statewide effectiveness percentile for students classified as low socioeconomic status was 35 in 2024–2025, versus 81 schoolwide, after a subgroup percentile of 97 in 2020–2021. Its 2025–2026 effectiveness percentile for female students was 51, compared with 69 overall.

94
Students ?
12.8
Student/teacher ratio ?
$12,563
Per pupil spending ?
17.0%
Free/reduced lunch eligible (2024-25) ?
 400 Illinois Ave
       Platte, SD  57369

(605) 337-3391

District: Platte - Geddes School District 11-5


Students who attend Platte - Geddes Junior High - 03 usually attend:

High:    Platte - Geddes High School - 01

Feeder schools for Platte - Geddes Junior High - 03:

Elementary:    Cedar Grove Colony Elementary - 14
    Platte - Geddes Elementary - 02
    Platte Colony Elementary - 10
Racial breakdown:

White:
87.2%
Two or more races:
8.5%
American Indian:
2.1%
more
 See top rated South Dakota middle schools

 Compare Platte - Geddes Junior High - 03 to nearby middle schools!
At a glance
▼ Ranking trend: Recently slipping — 85th percentile in 2022 → 69th in 2026
Strengths
✓Test scores above the South Dakota average (53% vs 46% meeting standards)
✓Above the South Dakota median (69th percentile)
Worth a look
!Ranking has slipped from its 85th-percentile peak (2022) to 69th (2026)
!Some student groups rank well below the school's overall statewide standing
Students meeting standards (2025-2026) ?
This school53%
District avg61%
South Dakota avg46%
47th of 151
South Dakota public middle schools ?
Top 31%▲ up 7 pts since 2016
From top 38% (2016) to top 31% (2026)
See the entire ranking list of South Dakota Middle Schools →
★★★★★
SchoolDigger rating ?
13th of 126Platte - Geddes School District 11-5 among South Dakota 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 rankSouth Dakota percentileRating
202665.447 of 15168.9%★★★☆☆
202572.246 of 24681.3%★★★★☆
202477.824 of 14783.7%★★★★☆
202371.633 of 15078.0%★★★★☆
202273.722 of 14384.6%★★★★☆
202161.350 of 14565.5%★★★☆☆
201972.730 of 14979.9%★★★★☆
201851.774 of 14749.7%★★★☆☆
201764.941 of 14671.9%★★★★☆
201656.356 of 14761.9%★★★☆☆
201568.035 of 14575.9%★★★★☆
201380.111 of 14592.4%★★★★★
201265.747 of 14667.8%★★★☆☆
201174.316 of 14088.6%★★★★☆
201047.998 of 13929.5%★★☆☆☆
200948.790 of 13935.3%★★☆☆☆
200866.737 of 13672.8%★★★★☆

Female

YearAvg scoreStatewide rankSouth Dakota percentileRating
202653.756 of 11551.3%★★★☆☆
202559.585 of 22962.9%★★★☆☆
202462.035 of 10767.3%★★★☆☆
202372.019 of 11283.0%★★★★☆
202280.610 of 10290.2%★★★★★
202157.747 of 11358.4%★★★☆☆
201958.045 of 10757.9%★★★☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankSouth Dakota percentileRating
202540.3121 of 18735.3%★★☆☆☆
202188.22 of 6396.8%★★★★★

Male

YearAvg scoreStatewide rankSouth Dakota percentileRating
202669.426 of 11777.8%★★★★☆
202577.329 of 23387.6%★★★★☆
202485.39 of 11592.2%★★★★★
202365.928 of 11675.9%★★★★☆
202263.736 of 10465.4%★★★☆☆
202158.338 of 11567.0%★★★☆☆
201981.210 of 11090.9%★★★★★
201851.352 of 11153.2%★★★☆☆

Multi-racial

YearAvg scoreStatewide rankSouth Dakota percentileRating
202534.789 of 11522.6%★☆☆☆☆

Special Education

YearAvg scoreStatewide rankSouth Dakota percentileRating
202551.167 of 18163.0%★★★☆☆

White

YearAvg scoreStatewide rankSouth Dakota percentileRating
202663.742 of 13368.4%★★★★☆
202571.243 of 23081.3%★★★★☆
202475.618 of 13286.4%★★★★☆
202369.028 of 13679.4%★★★★☆
202271.126 of 13280.3%★★★★☆
202156.655 of 13659.6%★★★☆☆
201965.039 of 13671.3%★★★★☆
201844.977 of 13141.2%★★☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Male (2026)78th percentile+9 vs school
White (2026)68th percentile~ school
Special Education (2025)63rd percentile-18 vs school
Female (2026)51st percentile-18 vs school
Low Socio Economic Status (2025)35th percentile-46 vs school
Multi-racial (2025)23rd percentile-59 vs school
By subject vs South Dakota (2025-2026) ?
Mathematics57%+13 vs state
Science54%+13 vs state
English Language Arts49%~ state avg

★
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Frequently Asked Questions about Platte - Geddes Junior High - 03

Students who attend Platte - Geddes Junior High - 03 usually go on to attend Platte - Geddes High School - 01

In the 2024-25 school year, 94 students attended Platte - Geddes Junior High - 03.

Students at Platte - Geddes Junior High - 03 are 87% White, 9% Two or more races, 2% American Indian, 1% Asian, 1% Hispanic.

Platte - Geddes Junior High - 03 ranks 47th of 151 South Dakota middle schools. SchoolDigger rates this school 3 stars out of 5.

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Latest South Dakota data All new data »
2025–26 attendance data, dropout rates & graduation ratesNewNov 6, 2026
2025–26 SD ACT & Smarter Balanced Assessments scoresNewNov 6, 2026
2024–25 attendance data & graduation rates (updated)NewNov 1, 2026
2025–26 immunization ratesOct 24, 2026


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