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SCHOOL COMMUNITY·BOISE INDEPENDENT DISTRICT·NCES 160036000073

SOUTH JUNIOR HIGH SCHOOL

3101 CASSIA STREET, BOISE, ID 83705 · (208) 854-6110 · Ada County
GRADES 07–09MIDDLE12-CITYTITLE IREGULAR SCHOOL533 STUDENTS
Enrollment
533
Middle
DISTRICT 641 · STATE 507
Student : Teacher
14.6:1
37 FTE teachers
DISTRICT 16.3:1 · STATE 17.1:1
Free / Reduced Lunch
97%
517 students
DISTRICT 51% · STATE 46%
Community
2
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 7
181
Grade 8
174
Grade 9
178
Student demographics
White
32962%
DISTRICT 68% · STATE 72%
Hispanic
11421%
DISTRICT 16% · STATE 21%
Black
448%
DISTRICT 5% · STATE 1%
Asian
122%
DISTRICT 4% · STATE 1%
Two+
275%
DISTRICT 6% · STATE 3%
Native American
41%
DISTRICT 0% · STATE 1%
Pacific Islander
31%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
27752%
Female
25648%

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Test scores

ISAT 2024-25 . % Proficient
English Language Arts
44.2%
ID avg 53.4%
Math
32.8%
ID avg 43.5%
Source: ISAT. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
533
-131 (-20%) vs 2017
Student : Teacher
14.6:1
was 14.2:1
% White
62%
was 70%
% Hispanic
21%
was 18%
% Black
8%
was 4%
% Asian
2%
was 3%
Source: NCES Common Core of Data

About SOUTH JUNIOR HIGH SCHOOL

SOUTH JUNIOR HIGH SCHOOL, a middle-of-the-pack intermediate school in BOISE, Idaho, one of the schools within BOISE INDEPENDENT DISTRICT, educates 533 students, covering grades 7 through 9.

BOISE INDEPENDENT DISTRICT runs 52 schools in total, collectively educating 22,134 students. SOUTH JUNIOR HIGH SCHOOL is one of those campuses.

Looking at the student body, SOUTH JUNIOR HIGH SCHOOL logs that the largest single group is White, at 62% of enrollment. Other groups include 21% Hispanic, 8% Black, 5% multiracial, 2% Asian. By comparison, Ada County as a whole is about 83% White, so the school skews visibly less White than its surroundings.

Looking at the economic backdrop, The school employs 37 full-time-equivalent teachers, for a student-teacher ratio near 14.6:1. The state averages around 17.1:1, so this campus is tighter than the state norm typical. Roughly 97% of students at SOUTH JUNIOR HIGH SCHOOL qualify for free or reduced-price lunch, often used as a Title I proxy. By comparison, Ada County runs at roughly 34%, so the school's eligibility rate is somewhat above the surrounding baseline.

Across the wider county, the surrounding county (Ada County) shows that the typical household earns roughly $91,502 per year, roughly 45% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Across Ada County's 156 public schools (combined enrollment of about 80,006 students), SOUTH JUNIOR HIGH SCHOOL is one campus in the mix.

Nearest neighbor: MONROE ELEMENTARY SCHOOL, around 0.3 miles off. Within five miles, there are 8 other public schools.

SOUTH JUNIOR HIGH SCHOOL operates from a downtown location.

Five-year trend. Over the past 7-year window, the student count declined 20%: 664 students in 2018 compared to 533 in 2025. Over the same period, the White share ticked down from 70% to 62%.

On allk12, the feed for SOUTH JUNIOR HIGH SCHOOL typically covers school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.

Ada County at a glance

View full county profile
Population
518,935
Census ACS
Median income
$91,502
Household, ACS
Bachelor's+
45%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
156
80,006 students

Quick facts

School name
SOUTH JUNIOR HIGH SCHOOL
District
BOISE INDEPENDENT DISTRICT
Address
3101 CASSIA STREET, BOISE, ID 83705
Phone
(208) 854-6110
County
Ada County
Level
Middle
Grade range
07–09
Total enrollment
533
Teachers (FTE)
37
Student–teacher ratio
14.6:1
Free/Reduced lunch
517 (97%)
Locale
12-City: Mid-size
NCES ID
160036000073
Charter school
No
Virtual school
No

Related schools

Other schools in BOISE INDEPENDENT DISTRICT
Other schools in BOISE
Nearby schools

Frequently asked questions

About SOUTH JUNIOR HIGH SCHOOL
What is the total enrollment at SOUTH JUNIOR HIGH SCHOOL?
SOUTH JUNIOR HIGH SCHOOL enrolls approximately 533 students in grades 07-09.
What age range does SOUTH JUNIOR HIGH SCHOOL serve?
SOUTH JUNIOR HIGH SCHOOL serves students from grade 07 through grade 09.
What is the student-teacher ratio at SOUTH JUNIOR HIGH SCHOOL?
The student-to-teacher ratio at SOUTH JUNIOR HIGH SCHOOL is approximately 14.6:1 (37 FTE teachers).
What is the racial breakdown of students at SOUTH JUNIOR HIGH SCHOOL?
At SOUTH JUNIOR HIGH SCHOOL, the student body is approximately 62% White, 21% Hispanic, 8% Black, 2% Asian, 5% Two or more.
Who oversees SOUTH JUNIOR HIGH SCHOOL?
SOUTH JUNIOR HIGH SCHOOL is overseen by BOISE INDEPENDENT DISTRICT in Ada County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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