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Schools›Idaho›IDAHO FALLS
SCHOOL COMMUNITY·IDAHO FALLS DISTRICT·NCES 160153000262

IDAHO FALLS SENIOR HIGH SCHOOL

601 SOUTH HOLMES AVENUE, IDAHO FALLS, ID 83401 · (208) 525-7740 · Bonneville County
GRADES 09–12HIGH13-CITYREGULAR SCHOOL1,298 STUDENTS
Enrollment
1,298
High
DISTRICT 633 · STATE 455
Student : Teacher
20.5:1
63 FTE teachers
DISTRICT 13.9:1 · STATE 16.0:1
Free / Reduced Lunch
31%
400 students
DISTRICT 53% · STATE 46%
Community
3
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
355
Grade 10
325
Grade 11
317
Grade 12
301
Student demographics
White
97075%
DISTRICT 70% · STATE 72%
Hispanic
24219%
DISTRICT 24% · STATE 21%
Black
40%
DISTRICT 0% · STATE 1%
Asian
81%
DISTRICT 0% · STATE 1%
Two+
685%
DISTRICT 5% · STATE 3%
Native American
50%
DISTRICT 0% · STATE 1%
Pacific Islander
10%
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
66551%
Female
63349%

Discussions

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Test scores

ISAT 2024-25 . % Proficient
English Language Arts
66.0%
ID avg 53.4%
Math
28.4%
ID avg 43.5%

What this means: On the ISAT, Idaho's statewide test, about 66 of every 100 students at this school read and write at grade level and about 28 of 100 do math at grade level. Across all Idaho schools, those numbers are about 53 and 44.

Source: ISAT. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,298
+39 (+3%) vs 2017
Student : Teacher
20.5:1
was 21.0:1
% White
75%
was 78%
% Hispanic
19%
was 16%
% Black
0%
was 1%
% Asian
1%
was 1%
Source: NCES Common Core of Data

About IDAHO FALLS SENIOR HIGH SCHOOL

Located at 601 SOUTH HOLMES AVENUE, in IDAHO FALLS, Idaho, IDAHO FALLS SENIOR HIGH SCHOOL is a roomy secondary school that instructs 1,298 students (grades 9 through 12), operated by IDAHO FALLS DISTRICT. Compared to the state average of about 455 students per school, that is 185% bigger than typical.

IDAHO FALLS DISTRICT comprises 20 schools with combined enrollment of 9,903 students; IDAHO FALLS SENIOR HIGH SCHOOL is among them.

On the student-mix side, IDAHO FALLS SENIOR HIGH SCHOOL logs that White students make up the majority at 75%. Beyond that, the school reports 19% Hispanic, 5% multiracial. The wider county runs roughly 84% White, putting the school's mix meaningfully less White than the area baseline.

Looking at the economic backdrop, IDAHO FALLS SENIOR HIGH SCHOOL records 63 full-time-equivalent teachers, putting the student-to-teacher ratio at about 20.5:1. The state averages around 16.0:1, so this campus is higher than the state norm typical. About 31% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Bonneville County (around 41%), the school's rate is meaningfully below typical.

Across the wider county, census data for Bonneville County shows the typical household earns roughly $79,068 per year, 33% of adults hold a bachelor's degree or higher, and roughly 7% of residents live below the federal poverty line. IDAHO FALLS SENIOR HIGH SCHOOL is one of 57 public schools in Bonneville County (combined enrollment of about 27,028 students).

Nearest neighbor: EMERSON HIGH SCHOOL, around 0.2 miles off. Within five miles, there are 8 other public schools.

IDAHO FALLS SENIOR HIGH SCHOOL operates from a city-core location.

Looking at the recent track record. Looking back 7 years, enrollment at IDAHO FALLS SENIOR HIGH SCHOOL has increased 3%, going from 1,259 students in 2018 to 1,298 in 2025.

In the discussion threads here, members of the IDAHO FALLS SENIOR HIGH SCHOOL community share and discuss fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.

Bonneville County at a glance

View full county profile
Population
129,523
Census ACS
Median income
$79,068
Household, ACS
Bachelor's+
33%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
57
27,028 students

Quick facts

School name
IDAHO FALLS SENIOR HIGH SCHOOL
District
IDAHO FALLS DISTRICT
Address
601 SOUTH HOLMES AVENUE, IDAHO FALLS, ID 83401
Phone
(208) 525-7740
County
Bonneville County
Level
High
Grade range
09–12
Total enrollment
1,298
Teachers (FTE)
63
Student–teacher ratio
20.5:1
Free/Reduced lunch
400 (31%)
Locale
13-City: Small
NCES ID
160153000262
Charter school
No
Virtual school
No

Related schools

Other schools in IDAHO FALLS DISTRICT
Other schools in IDAHO FALLS
Nearby schools

Frequently asked questions

About IDAHO FALLS SENIOR HIGH SCHOOL
What is the total enrollment at IDAHO FALLS SENIOR HIGH SCHOOL?
IDAHO FALLS SENIOR HIGH SCHOOL enrolls approximately 1,298 students in grades 09-12.
What grades does IDAHO FALLS SENIOR HIGH SCHOOL serve?
IDAHO FALLS SENIOR HIGH SCHOOL serves grades 09-12.
How many students per teacher at IDAHO FALLS SENIOR HIGH SCHOOL?
Approximately 20.5:1 students per teacher at IDAHO FALLS SENIOR HIGH SCHOOL.
What is the racial breakdown of students at IDAHO FALLS SENIOR HIGH SCHOOL?
At IDAHO FALLS SENIOR HIGH SCHOOL, the student body is approximately 75% White, 19% Hispanic, 0% Black, 1% Asian, 5% Two or more.
Who oversees IDAHO FALLS SENIOR HIGH SCHOOL?
IDAHO FALLS SENIOR HIGH SCHOOL is overseen by IDAHO FALLS DISTRICT in Bonneville County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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