Enrollment
310
Middle
DISTRICT 359 · STATE 388
SCHOOL COMMUNITY·SULPHUR·NCES 402916002703
Sulphur Middle School
1021 West Ninth Street, Sulphur, OK 73086 · (580) 622-4010 · Murray County
GRADES 06–08MIDDLE33-TOWNTITLE IREGULAR SCHOOL310 STUDENTS
C-
allk12 Grade
Scored higher than 23% of Oklahoma public middle schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C-Beats 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 Oklahoma public middle schools
Student : Teacher
20.7:1
15 FTE teachers
DISTRICT 18.1:1 · STATE 15.7:1
Free / Reduced Lunch
55%
172 students
DISTRICT 65% · STATE 68%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 107 | 35% |
| Grade 7 | 91 | 29% |
| Grade 8 | 112 | 36% |
Student demographics
63%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 73% · 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
Students here typically continue to
Sulphur Middle School→Sulphur High School
Based on grade levels within SULPHUR. Attendance zones can vary; confirm enrollment with the district.
Test scores
OSTP / CCRA 2024-25 . % Proficient + AdvancedEnglish Language Arts
25.7%
OK avg 30.6%
Math
15.0%
OK avg 32.6%
What this means: On the OSTP / CCRA, Oklahoma's statewide test, about 26 of every 100 students at this school read and write at grade level and about 15 of 100 do math at grade level. Across all Oklahoma schools, those numbers are about 31 and 33.
Source: OSTP / CCRA. 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
25.5%
composite math + reading, all grades
Predicted
36.6%
based on OK schools with similar FRL share
Beats by
-11.1pp
below demographic expectation
What this means: About 26% of students here test proficient in math and reading, compared with the roughly 37% typical for Oklahoma 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 Oklahoma'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 Sulphur Middle School
Sulphur Middle School's state test result (25.5% proficient) is higher than 0 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Sulphur Middle School this school | 310 | 55.5% | 25.5% |
| Dickson Middle School Ardmore | 282 | 58.5% | N/A |
| Heritage Intermediate Grd Center Coweta | 390 | 53.1% | 32.0% |
| Silo Middle School Durant | 249 | 59.0% | 35.3% |
| Jones Middle School Jones | 237 | 51.9% | 32.1% |
| Lone Grove Middle School Lone Grove | 306 | 51.3% | 34.6% |
Matched among Oklahoma middle 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 Sulphur Middle School ranks
Among middle schools| Measure | This school | In Oklahoma |
|---|---|---|
| State test proficiency ranked highest first | 25.5% | #160 of 222 |
| Math proficiency ranked highest first | 15.0% | #187 of 223 |
| Reading proficiency ranked highest first | 25.7% | #120 of 211 |
| Enrollment ranked largest first | 310 | #178 of 356 |
| Students per teacher ranked fewest first | 20.7:1 | #228 of 237 |
| Diversity index ranked most diverse first | 62.7% | #149 of 237 |
| Free and reduced lunch ranked highest share first | 55.5% | #216 of 308 |
| Enrollment change since 2017-18 ranked steepest decline first | -4.9% | #88 of 113 |
Ranked against other public middle 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
310
-22 (-7%) vs 2020
-4% since 2010-11, when it was 322
Student : Teacher
20.7:1
was 17.5:1
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 | 310 | 15 | 20.7:1 | 55% (172) |
| 2023-24 | 320 | 12 | 26.7:1 | 61% (195) |
| 2022-23 | 336 | 16 | 21.0:1 | 59% (199) |
| 2020-21 | 332 | 19 | 17.5:1 | 49% (164) |
| 2017-18 | 326 | 18.7 | 17.4:1 | 55% (180) |
| 2015-16 | 301 | 18 | 16.7:1 | 58% (175) |
| 2010-11 | 322 | 21 | 15.3:1 | 64% (206) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Sulphur Middle School.
Since 2017-18: students down 5% (326 to 310); teachers down 20% (18.7 to 15).
About Sulphur Middle School
Among the schools in Sulphur, Oklahoma, is Sulphur Middle School, a small middle school. Grades offered run from 6 through 8, with 310 students enrolled. For comparison, middle schools in Oklahoma average about 388 students.
SULPHUR has a total of 4 schools and 1,435 students, Sulphur Middle School among them.
White students are the majority at Sulphur Middle School, with 54% of enrollment. The school is also 25% Native American, 9% Hispanic, and 9% multiracial. The White share of the county population is higher, at 70%. The school's diversity index is 63%, meaning two students picked at random have a 63% chance of belonging to different racial or ethnic groups.
Its teaching staff equals 15 full-time positions, a ratio of 20.7:1. That is higher than the 15.7:1 average for middle schools in Oklahoma. Free and reduced-price lunch eligibility, a common measure of family income, is 55%. The gap from the 64% average for public schools in Murray County is 9 points.
Sulphur Middle School is graded C- by allk12, scoring above 23% of Oklahoma public middle schools once test results, poverty-adjusted performance, and the recent trend are combined.
On the allk12 BeatsExpectations measure, Sulphur Middle School is 11.1 points below the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 25.5% actual, 36.6% predicted. That is outside both the top and bottom 10% in Oklahoma.
In Murray County (population about 13,753), the median household income is $66,322, a bachelor's degree or higher is held by about 20% of adults, and the poverty rate is about 11%. There are 9 public schools in Murray County, enrolling about 2,384 students in all.
The nearest public school is Sulphur Intermediate Elementary School, at less than a tenth of a mile. Around the school, 5 other public schools are within five miles.
The school is in a town far from an urbanized area, according to its NCES locale (Town: Remote).
2024-25 enrollment was 310, a 7% decrease from 332 in 2020-21. The number of students per teacher rose from 17.5 to 20.7 over 4 years.
The Sulphur Middle School community page is open for posts about sports schedules, lunch menus, and spirit week. Anyone with firsthand experience at this school can post or comment.
Murray County at a glance
View full county profilePopulation
13,753
Census ACS
Median income
$66,322
Household, ACS
Bachelor's+
20%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
9
2,384 students
Quick facts
Related schools
Other schools in SULPHUR
- Sulphur High SchoolHigh · 460 students
- Sulphur Elementary SchoolElementary · 380 students
- Sulphur Intermediate Elementary SchoolElementary · 285 students
Other schools in Sulphur
- Sulphur High SchoolHigh · 460 students
- Sulphur Elementary SchoolElementary · 380 students
- Sulphur Intermediate Elementary SchoolElementary · 285 students
- Oklahoma School for the DeafElementary · 54 students
- Oklahoma School for the DeafHigh · 39 students
Nearby schools
- Sulphur Intermediate Elementary School0.1 mi · 285
- Sulphur High School0.1 mi · 460
- Sulphur Elementary School0.2 mi · 380
- Oklahoma School for the Deaf1.5 mi · 39
- Oklahoma School for the Deaf1.5 mi · 54
- Davis High School7.8 mi · 258
Frequently asked questions
About Sulphur Middle SchoolHow many students attend Sulphur Middle School?
Sulphur Middle School enrolls approximately 310 students in grades 06-08.
Is Sulphur Middle School an elementary, middle, or high school?
Sulphur Middle School is a middle school covering grades 06-08.
How many students per teacher at Sulphur Middle School?
Approximately 20.7:1 students per teacher at Sulphur Middle School.
What is the student diversity at Sulphur Middle School?
Student demographics at Sulphur Middle School are roughly 54% White, 9% Hispanic, 2% Black, 9% Two or more.
Who oversees Sulphur Middle School?
Sulphur Middle School is overseen by SULPHUR in Murray County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.