Enrollment
258
Middle
DISTRICT 315 · STATE 462
SCHOOL COMMUNITY·PEORIA SD 150·NCES 173123005336
Mark W Bills Middle School
6001 N Frostwood Pkwy, Peoria, IL 61615 · (309) 693-4437 · Peoria County
GRADES 05–08MIDDLE12-CITYTITLE IREGULAR SCHOOL258 STUDENTS
Student : Teacher
11.5:1
23 FTE teachers
DISTRICT 15.0:1 · STATE 13.0:1
Free / Reduced Lunch
75%
193 students
DISTRICT 80% · STATE 56%
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 5 | 55 | 21% |
| Grade 6 | 68 | 26% |
| Grade 7 | 73 | 28% |
| Grade 8 | 62 | 24% |
Student demographics
57%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 69% · 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
IAR + ISA 2024-25 . % Proficient (Levels 4-5)English Language Arts
32.2%
IL avg 51.0% . +12.9pp since 2023
Math
16.8%
IL avg 37.9% . +6.7pp since 2023
What this means: On the IAR + ISA, Illinois's statewide test, about 32 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 Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 13 points since 2023, while math scores are up about 7 points.
IAR + ISA results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 32.2% | 16.8% |
| 2023-24 | 19.3% | 10.1% |
% Proficient (Levels 4-5), all students and all tested grades.
Source: IAR + ISA. 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
24.0%
composite math + reading, all grades
Predicted
28.3%
based on IL schools with similar FRL share
Beats by
-4.3pp
below demographic expectation
What this means: About 24% of students here test proficient in math and reading, compared with the roughly 28% typical for Illinois 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 Illinois'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 Mark W Bills Middle School
Mark W Bills Middle School's state test result (24.0% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mark W Bills Middle School this school | 258 | 74.8% | 24.0% |
| West Jr High School Belleville | 364 | 73.6% | 37.0% |
| Burr Ridge Middle School Burr Ridge | 206 | 77.7% | 31.5% |
| Carbondale Middle School Carbondale | 457 | 73.3% | 21.4% |
| Harmony Intermediate Center Belleville | 207 | 66.7% | 34.5% |
| U S Grant Middle School Springfield | 498 | 72.1% | 15.1% |
Matched among Illinois 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 Mark W Bills Middle School ranks
Among middle schools| Measure | This school | In Illinois | In Peoria County |
|---|---|---|---|
| State test proficiency ranked highest first | 24.0% | #488 of 578 | #12 of 15 |
| Math proficiency ranked highest first | 16.8% | #523 of 640 ▲ 10 | #12 of 15 no change |
| Reading proficiency ranked highest first | 32.2% | #555 of 640 ▲ 24 | #12 of 15 no change |
| Enrollment ranked largest first | 258 | #494 of 691 | #8 of 15 |
| Students per teacher ranked fewest first | 11.5:1 | #129 of 558 | #1 of 10 |
| Diversity index ranked most diverse first | 57.4% | #183 of 560 | #6 of 10 |
| Free and reduced lunch ranked highest share first | 74.8% | #81 of 581 | #5 of 15 |
| Enrollment change since 2017-18 ranked fastest growth first | +13.7% | #36 of 127 | N/A |
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
258
+27 (+12%) vs 2020
-13% since 1990-91, when it was 295
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 | 258 | 22.5 | 11.5:1 | 75% (193) |
| 2023-24 | 262 | 18.5 | 14.2:1 | 75% (196) |
| 2022-23 | 262 | 13.3 | 19.8:1 | 75% (196) |
| 2020-21 | 231 | N/A | N/A | N/A |
| 2017-18 | 227 | 17 | 13.3:1 | 65% (148) |
| 2015-16 | 213 | 17 | 12.5:1 | 59% (125) |
| 2010-11 | 210 | 17 | 12.3:1 | 67% (140) |
| 2000-01 | 258 | 18 | 14.3:1 | N/A |
| 1990-91 | 295 | 21 | 14.1:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mark W Bills Middle School.
Since 2017-18: students up 14% (227 to 258); teachers up 32% (17 to 22.5).
About Mark W Bills Middle School
Peoria, Illinois, is home to Mark W Bills Middle School, a small middle school. The school enrolls 258 students, from grades 5 through 8. Average enrollment for middle schools in Illinois is about 462, so this school runs 44% smaller than that.
Mark W Bills Middle School is a school in Peoria SD 150. The district has 25 schools and 13,312 students.
A majority of students at Mark W Bills Middle School, 60%, are Black. The next largest groups are 21% White, 10% multiracial, and 8% Hispanic. The school's Black share is 43 points above the 17% share among Peoria County residents. Mark W Bills Middle School has a diversity index of 57%, compared with 70% for all US public school students.
At Mark W Bills Middle School, 22.5 full-time-equivalent teachers work with students, a ratio of about 11.5:1. That ratio is under the 13.0:1 average for middle schools in Illinois. Students eligible for free or reduced-price lunch make up 75% of enrollment. Among public schools in Peoria County, the average eligibility rate is 57%.
When test results are adjusted for free or reduced-price lunch eligibility, Mark W Bills Middle School is 4.3 points below its prediction. Actual: 24.0%. Predicted: 28.3%.
In Peoria County (population about 179,645), median household income is about $65,108, the share of adults with a bachelor's degree or higher is 35%, and about 10% of people live in poverty. A total of 81 public schools operate in Peoria County, serving about 27,827 students.
The nearest other public school, Charter Oak Primary School, is about 0.7 miles away. The count of other public schools within five miles is at least 8. Ranked by average proficiency, Mark W Bills Middle School places 7th out of 9 schools in its immediate area.
The NCES locale for Mark W Bills Middle School is City: Mid-size, which covers schools inside a principal city with a population between 100,000 and 250,000.
A comparison of 2020-21 and 2024-25 shows enrollment up 12%, from 231 to 258.
Discussion on this page can cover school safety, transportation, and start times. Reviews and ratings from people who know the school are welcome.
Peoria County at a glance
View full county profilePopulation
179,645
Census ACS
Median income
$65,108
Household, ACS
Bachelor's+
35%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
81
27,827 students
Quick facts
Related schools
Other schools in Peoria SD 150
- Richwoods High SchoolHigh · 1,685 students
- Peoria High SchoolHigh · 1,541 students
- Lincoln SchoolElementary · 823 students
- Glen Oak Comm Learning CntrElementary · 794 students
- Manual High SchoolHigh · 731 students
- The Elise Ford Allen AcademyElementary · 642 students
Other schools in Peoria
- Richwoods High SchoolHigh · 1,685 students
- Peoria High SchoolHigh · 1,541 students
- Limestone Community High SchoolHigh · 898 students
- Lincoln SchoolElementary · 823 students
- Glen Oak Comm Learning CntrElementary · 794 students
- Manual High SchoolHigh · 731 students
Nearby schools
- Charter Oak Primary School0.7 mi · 337
- Ridgeview Elementary School1.7 mi · 433
- Rolling Acres Middle School2.0 mi · 321
- Northmoor Primary School2.1 mi · 365
- Pleasant Valley Intermediate School2.4 mi · 166
- Richwoods High School2.5 mi · 1,685
Frequently asked questions
About Mark W Bills Middle SchoolWhat is the total enrollment at Mark W Bills Middle School?
Mark W Bills Middle School enrolls approximately 258 students in grades 05-08.
Is Mark W Bills Middle School an elementary, middle, or high school?
Mark W Bills Middle School is a middle school covering grades 05-08.
How many teachers does Mark W Bills Middle School have?
Mark W Bills Middle School employs 23 FTE teachers, for a student-to-teacher ratio of 11.5:1.
What is the racial breakdown of students at Mark W Bills Middle School?
At Mark W Bills Middle School, the student body is approximately 21% White, 8% Hispanic, 60% Black, 0% Asian, 10% Two or more.
Is Mark W Bills Middle School public or private?
Mark W Bills Middle School is a public K-12 school, overseen by Peoria SD 150.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.