Enrollment
136
High
DISTRICT 149 · STATE 346
SCHOOL COMMUNITY·BIG HORN COUNTY SCHOOL DISTRICT #3·NCES 560317000174
Greybull High School
732 North 6th Street, Greybull, WY 82426 · (307) 765-2537 · Big Horn County
GRADES 09–12HIGH43-RURALTITLE IREGULAR SCHOOL136 STUDENTS
B+
allk12 Grade
Scored higher than 70% of Wyoming public high schools
- BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Wyoming public high schools
Student : Teacher
9.1:1
15 FTE teachers
DISTRICT 10.8:1 · STATE 11.4:1
Free / Reduced Lunch
60%
81 students
DISTRICT 59% · STATE 47%
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 | 37 | 27% |
| Grade 10 | 36 | 26% |
| Grade 11 | 33 | 24% |
| Grade 12 | 30 | 22% |
Student demographics
33%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 39% · STATE 41% · 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
School pathway
Feeds from
Based on grade levels within Big Horn County School District #3. Attendance zones can vary; confirm enrollment with the district.
Test scores
WY-TOPP 2024-25 . % Proficient + AdvancedEnglish Language Arts
60.2%
WY avg 56.0%
Math
51.6%
WY avg 51.3%
What this means: On the WY-TOPP, Wyoming's statewide test, about 60 of every 100 students at this school read and write at grade level and about 52 of 100 do math at grade level. Across all Wyoming schools, those numbers are about 56 and 51.
Source: WY-TOPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
54.1%
composite math + reading, all grades
Predicted
46.4%
based on WY schools with similar FRL share
Beats by
+7.7pp
above demographic expectation
What this means: About 54% of students here test proficient in math and reading, compared with the roughly 46% typical for Wyoming schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Wyoming's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Greybull High School
Greybull High School's state test result (54.1% proficient) is higher than 4 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Greybull High School this school | 136 | 59.6% | 54.1% |
| Lingle-Ft. Laramie High School Lingle | 107 | 46.7% | 48.4% |
| Wind River High School Pavillion | 117 | 66.7% | 53.5% |
| Burlington High School Burlington | 69 | 47.8% | 76.2% |
| Pine Bluffs Jr & Sr High School Pine Bluffs | 189 | 45.0% | 48.2% |
| Torrington High School Torrington | 328 | 47.6% | 46.1% |
Matched among Wyoming 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 Greybull High School ranks
Among high schools| Measure | This school | In Wyoming |
|---|---|---|
| State test proficiency ranked highest first | 54.1% | #19 of 44 |
| Math proficiency ranked highest first | 51.6% | #17 of 50 |
| Reading proficiency ranked highest first | 60.2% | #21 of 50 |
| Enrollment ranked largest first | 136 | #48 of 84 |
| Free and reduced lunch ranked highest share first | 59.6% | #6 of 48 |
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
136
0 (0%) vs 2020
-24% since 1990-91, when it was 178
Student : Teacher
9.1:1
was 8.5:1
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 | 136 | 15 | 9.1:1 | 60% (81) |
| 2023-24 | 146 | 16.5 | 8.8:1 | 49% (71) |
| 2022-23 | 147 | 16.5 | 8.9:1 | 50% (74) |
| 2020-21 | 136 | 16 | 8.5:1 | 32% (43) |
| 2017-18 | 155 | 15.8 | 9.8:1 | 32% (50) |
| 2015-16 | 192 | 17 | 11.3:1 | 41% (79) |
| 2010-11 | 151 | N/A | N/A | 32% (48) |
| 2000-01 | 170 | 14 | 12.1:1 | 27% (46) |
| 1990-91 | 178 | 15 | 11.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Greybull High School.
Since 2017-18: students down 12% (155 to 136); teachers down 6% (15.8 to 15).
About Greybull High School
Greybull High School is one of the public schools in Greybull, Wyoming. It is a very small high school. The school counted 136 students in 2024-25, covering grades 9 through 12. That is 61% below the average of about 346 students for high schools in Wyoming.
Greybull High School is one school in Big Horn County School District #3, a system of 3 schools with 447 students.
The largest group at Greybull High School is White students, at 79%. Enrollment also includes 20% Hispanic. Among people living in Big Horn County, the White share is about 88%. On the diversity index, which measures the chance that two random students are from different groups, Greybull High School scores 33%.
A staff of 15 full-time-equivalent teachers puts the student-to-teacher ratio at 9.1:1. Across high schools in Wyoming, the average ratio is 11.4:1. The share of students eligible for free or reduced-price lunch is 60%. The gap from the 48% average for public schools in Big Horn County is 12 points.
Greybull High School holds a B+ allk12 Grade, placing it above 70% of Wyoming public high schools.
Greybull High School scores 54.1% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 46.4%.
American Community Survey estimates for Big Horn County show that median household income comes to about $62,101, roughly 23% of adults have a four-year degree or more, and the share of residents below the poverty line is 11%. The county's public schools total 14, with about 2,657 students.
Greybull Middle School is less than a tenth of a mile from Greybull High School, the shortest distance to any other public school. Other public schools within five miles: 2. The nearest schools with test data average 62.3%, higher than Greybull High School's 54.1%.
For locale, NCES codes Greybull High School as Rural: Remote.
The student count changed little between 2020-21 (136) and 2024-25 (136).
The allk12 page for Greybull High School lets the school community talk about athletics, class schedules, and weather closures. You can also rate the school on this page.
Big Horn County at a glance
View full county profilePopulation
11,828
Census ACS
Median income
$62,101
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
14
2,657 students
Quick facts
Related schools
Other schools in Big Horn County School District #3
- Greybull ElementaryElementary · 207 students
- Greybull Middle SchoolMiddle · 104 students
Other schools in Greybull
- Greybull ElementaryElementary · 207 students
- Greybull Middle SchoolMiddle · 104 students
Nearby schools
- Greybull Middle School0.1 mi · 104
- Greybull Elementary1.0 mi · 207
- Riverside Middle/High School8.0 mi · 129
- Laura Irwin Elementary8.1 mi · 122
- Burlington Elementary18.9 mi · 119
- Burlington Middle School18.9 mi · 52
Frequently asked questions
About Greybull High SchoolHow many students attend Greybull High School?
Greybull High School enrolls approximately 136 students in grades 09-12.
What age range does Greybull High School serve?
Greybull High School serves students from grade 09 through grade 12.
How many teachers does Greybull High School have?
Greybull High School employs 15 FTE teachers, for a student-to-teacher ratio of 9.1:1.
How diverse is Greybull High School?
Greybull High School reports a student body of 79% White, 20% Hispanic.
What district is Greybull High School in?
Greybull High School is part of Big Horn County School District #3.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.