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South Junior High School

Public Grades 7-9
138th
SchoolDigger Rank ?
of 177 Idaho Middle Schools
Better than 22% of Idaho middle schools
Summary

South Junior High School is a public middle school in Boise, ID serving 533 students in grades 7–9 as part of the Boise Independent District. Within this 3-star district, South is a clear underperformer, ranking 135th of 174 Idaho middle schools (22nd percentile, 1 star). That marks a slight improvement from 2023–2024 (11th percentile), but the school remains far below nearby same-district schools like East Junior High School, North Junior High School, and Les Bois Junior High School, which rank in the 80th–90th percentiles statewide.

Academic achievement at South is significantly below district and state averages. Math proficiency is 34.7% versus 46.4% district-wide, and ELA proficiency is 45.8% versus 53.3% district-wide. High-performing neighbors like East Junior High School and North Junior High School post math proficiency rates between 64% and 70% — roughly double South's rate. Interestingly, South's 8th graders score near state averages in math (41.8% vs. 41.2% statewide) and ELA (52.8% vs. 54.5% statewide), while 7th graders lag far behind, with just 27.4% proficient in math and 38.9% in ELA. This roughly 14-point jump from 7th to 8th grade is unusual and could point to effective interventions or a particularly challenging incoming 7th-grade cohort.

South serves a distinctly higher-need population than its neighbors: 97% of students qualified for free or reduced-price lunch in 2024–2025, up from 50% in 2023–2024. Chronic absenteeism is also very high at 29.0%, nearly double the state rate of 13.8% and comparable only to Fairmont Junior High School among area schools. Notably, South spends more per student ($11,445) than most nearby schools and has a smaller student-teacher ratio (14.5) than West Junior High and several other same-district schools. Yet outcomes remain below average, suggesting that concentrated student need and attendance challenges — rather than a lack of funding — are the most significant barriers. Encouragingly, the upward trend in rankings and relatively strong 8th-grade performance offer some signs of progress.

533
Students ?
14.5
Student/teacher ratio ?
$11,445
Per pupil spending ?
97%
Free/discounted lunch ?
 3101 Cassia Street
       Boise, ID  83705-2337

(208) 854-6110

District: Boise Independent District


Students who attend South Junior High School usually attend:

High:    Borah Senior High School

Feeder schools for South Junior High School:

Elementary:    Hawthorne Elementary School
    Jefferson Elementary School
    Monroe Elementary School
    Whitney Elementary School
Racial breakdown:

White:
61.7%
Hispanic:
21.4%
African American:
8.3%
more
 See top rated Idaho middle schools

 Compare South Junior High School to nearby middle schools!
At a glance
▲ Ranking trend: Improving — 15th percentile in 2012 → 22nd in 2026
Strengths
✓Ranking is trending up — up 7 percentile points since 2012
Worth a look
!Test scores below the Idaho average (38% vs 47% meeting standards)
!In the lower quartile statewide (22nd percentile)
!High chronic absenteeism (29% vs 14% Idaho)
Students meeting standards (2025-2026) ?
This school38%
District avg48%
Idaho avg47%
138th of 177
Idaho public middle schools ?
Bottom 22%▼ down 16 pts since 2016
From bottom 38% (2016) to bottom 22% (2026)
See the entire ranking list of Idaho Middle Schools →
★★★★★
SchoolDigger rating ?
7th of 8Middle Schools in the Boise Independent District
41st of 104Boise Independent District among Idaho 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 rankIdaho percentileRating
202627.2138 of 17722.0%★☆☆☆☆
202412.6146 of 16411.0%★☆☆☆☆
202325.578 of 10727.1%★☆☆☆☆
20195.542 of 432.3%☆☆☆☆☆
201820.083 of 10017.0%★☆☆☆☆
201733.090 of 13131.3%★★☆☆☆
201635.861 of 9837.8%★★☆☆☆
201529.568 of 10032.0%★★☆☆☆
201325.8143 of 17317.3%★☆☆☆☆
201228.7146 of 17114.6%★☆☆☆☆
201128.8142 of 16916.0%★☆☆☆☆
201035.6122 of 16626.5%★☆☆☆☆
200923.0139 of 16013.1%★☆☆☆☆
200853.575 of 15852.5%★★★☆☆

Female

YearAvg scoreStatewide rankIdaho percentileRating
202327.541 of 5119.6%★☆☆☆☆
201823.647 of 6021.7%★☆☆☆☆

Hispanic

YearAvg scoreStatewide rankIdaho percentileRating
202238.510 of 1741.2%★★★☆☆

Male

YearAvg scoreStatewide rankIdaho percentileRating
202314.846 of 519.8%★☆☆☆☆
201812.254 of 6010.0%★☆☆☆☆

White

YearAvg scoreStatewide rankIdaho percentileRating
202420.069 of 8114.8%★☆☆☆☆
201811.733 of 355.7%☆☆☆☆☆
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)
Hispanic (2022)41st percentile
Female (2023)20th percentile-7 vs school
White (2024)15th percentile+4 vs school
Male (2023)10th percentile-17 vs school
By subject vs Idaho (2025-2026) ?
English Language Arts46%-8 vs state
Math35%-8 vs state
Science33%-10 vs state

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Schools Near South Junior High School

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Frequently Asked Questions about South Junior High School

South Junior High School ranks in the bottom 22.0% of Idaho middle schools.

In the 2024-25 school year, 533 students attended South Junior High School.

Students at South Junior High School are 62% White, 21% Hispanic, 8% African American, 5% Two or more races, 2% Asian.

Students who attend South Junior High School usually go on to attend Borah Senior High School

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Latest Idaho data All new data »
2025–26 attendance dataAug 19, 2026
2025–26 ISAT test scoresAug 19, 2026
2024–25 attendance data & graduation ratesJan 19, 2026
2024–25 ISAT test scoresAug 26, 2025


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