Enrollment
355
High
STATE 238
SCHOOL COMMUNITY·SIDNEY H S·NCES 302423000702
Sidney High School
1012 4th Avenue SE, Sidney, MT 59270 · (406) 433-2330 · Richland County
GRADES 09–12HIGH33-TOWNREGULAR SCHOOL355 STUDENTS
·
allk12 Grade
Not graded
This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work
Student : Teacher
12.2:1
29 FTE teachers
STATE 11.3:1
Free / Reduced Lunch
33%
116 students
STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 74 | 21% |
| Grade 10 | 93 | 26% |
| Grade 11 | 102 | 29% |
| Grade 12 | 86 | 24% |
Student demographics
30%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 40% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
EDFacts (federal) 2020-21 . % Proficient (SY 20-21)English Language Arts
27.0%
MT avg 47.2%
Math
17.0%
MT avg 36.0%
What this means: On the EDFacts (federal), Montana's statewide test, about 27 of every 100 students at this school read and write at grade level and about 17 of 100 do math at grade level. Across all Montana schools, those numbers are about 47 and 36.
Source: EDFacts (federal). All students, all grades. See all years and grades →
Schools most like Sidney High School
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Sidney High School this school | 355 | 32.7% | N/A |
| Beaverhead Co High School Dillon | 339 | 34.2% | N/A |
| Frenchtown High School Frenchtown | 364 | 32.4% | N/A |
| Stevensville High School Stevensville | 347 | 47.3% | N/A |
| Helena High School Helena | 979 | 31.4% | N/A |
| Broadwater High School Townsend | 196 | 32.7% | N/A |
Matched among Montana high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Sidney High School ranks
Among high schools| Measure | This school | In Montana |
|---|---|---|
| Math proficiency ranked highest first | 17.0% | #60 of 68 |
| Reading proficiency ranked highest first | 27.0% | #66 of 70 |
| Enrollment ranked largest first | 355 | #33 of 180 |
| Students per teacher ranked fewest first | 12.2:1 | #2 of 50 |
| Diversity index ranked most diverse first | 29.5% | #13 of 50 |
| Free and reduced lunch ranked highest share first | 32.7% | #59 of 83 |
| Enrollment change since 2017-18 ranked steepest decline first | -8.3% | #13 of 25 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
355
-53 (-13%) vs 2020
-30% since 1990-91, when it was 505
Student : Teacher
12.2:1
was 14.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 355 | 29.1 | 12.2:1 | 33% (116) |
| 2023-24 | 378 | 27.9 | 13.5:1 | 34% (127) |
| 2022-23 | 387 | 27.6 | 14.0:1 | N/A |
| 2020-21 | 408 | 29 | 14.1:1 | N/A |
| 2017-18 | 387 | 27.6 | 14.0:1 | 18% (69) |
| 2015-16 | 417 | 32 | 13.0:1 | 14% (60) |
| 2010-11 | 365 | 28 | 13.0:1 | 19% (69) |
| 2000-01 | 477 | 30 | 15.9:1 | 12% (58) |
| 1990-91 | 505 | 28 | 18.0:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Sidney High School.
Since 2017-18: students down 8% (387 to 355); teachers up 5% (27.6 to 29.1).
About Sidney High School
Among the schools in Sidney, Montana, is Sidney High School, a mid-sized high school. Total enrollment is 355 students, and the grades served are 9 through 12. It has 49% more students than the average for high schools in Montana (about 238).
Sidney High School reports to Sidney H S.
By race and ethnicity, Sidney High School is 83% White. Next come 9% Hispanic and 4% multiracial. Its diversity index, the chance that two randomly chosen students belong to different racial or ethnic groups, is 30%.
There are 29.1 full-time-equivalent teachers at the school, a ratio of 12.2:1. The gap from the 11.3:1 average for high schools in Montana is 0.9 students per teacher. On the income side, 33% of students qualify for free or reduced-price lunch.
Richland County is the school's county. There, median household income comes to about $73,084, the share of adults with a bachelor's degree or higher is 22%, and roughly 6% of residents are in poverty. Richland County has 15 public schools with about 1,845 students, including Sidney High School.
Sidney High School is about 0.5 miles from Sidney Middle School, its nearest public school. There are 4 other public schools within five miles.
Sidney High School falls in the Town: Remote locale category, used for schools in a town far from an urbanized area.
From 2020-21 to 2024-25, enrollment fell from 408 to 355, a 13% decrease. The student-to-teacher ratio went down from 14.1:1 to 12.2:1.
The allk12 page for Sidney High School lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. Current and former families are welcome to add their experience.
Richland County at a glance
View full county profilePopulation
11,235
Census ACS
Median income
$73,084
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
15
1,845 students
Quick facts
Related schools
Other schools in Sidney
- Sidney Middle SchoolMiddle · 319 students
- West Side ElementaryElementary · 288 students
- Central ElementaryElementary · 272 students
- Rau SchoolElementary · 70 students
- Brorson SchoolElementary · 5 students
Other Sidney High schools
4 other US public schools in 5 states are named Sidney High. Sidney High School is the 2nd largest of the 5.
- Sidney High SchoolSidney, OH · 791 students
- SIDNEY HIGH SCHOOLSIDNEY, NY · 342 students
- SIDNEY HIGH SCHOOLSIDNEY, NE · 329 students
- Sidney High SchoolSidney, IA · 196 students
Nearby schools
- Sidney Middle School0.5 mi · 319
- Central Elementary0.5 mi · 272
- West Side Elementary0.8 mi · 288
- Rau School2.8 mi · 70
- Brorson School8.2 mi · 5
- Fairview School11.2 mi · 134
Frequently asked questions
About Sidney High SchoolHow many students attend Sidney High School?
Sidney High School enrolls approximately 355 students in grades 09-12.
What age range does Sidney High School serve?
Sidney High School serves students from grade 09 through grade 12.
How many students per teacher at Sidney High School?
Approximately 12.2:1 students per teacher at Sidney High School.
How diverse is Sidney High School?
Sidney High School reports a student body of 83% White, 9% Hispanic, 1% Black, 1% Asian, 4% Two or more.
Is Sidney High School public or private?
Sidney High School is a public K-12 school, overseen by Sidney H S.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.