What does the student-to-teacher ratio tell me?

The student-to-teacher ratio is the number of students divided by the number of full-time equivalent (FTE) teachers. Lower ratios generally mean smaller class sizes and more individual attention, though the ratio does not directly equal class size since teachers have planning periods and may teach specialized subjects.

What types of staff are included?

School staff includes classroom teachers, special education teachers, instructional aides, counselors, administrators, librarians, nurses, social workers, psychologists, and support staff. The staffing breakdown shows how the district allocates its workforce across these roles.

Where does school staffing data come from?

Staffing data is reported annually by school districts to the state Board of Education as part of the School Report Card. It includes full-time equivalent counts, teacher qualifications, experience levels, and salary information.

Swansea, IL School Staffing — Teacher Counts & Ratios

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Select Your District

Your assigned district depends on your home address within town.

School Staff — 2025i

NCES

Who teaches and supports students in your school districts. The median household income here is $92K, providing context for local cost of living.

Student:Teacheri

17.6:1

Avg Teacher Salaryi

$76K

Local Median Incomei

$92K

By District

Belleville Twp HSD 201High School District · 4,625 students

Teachers earn an average of $86K. 94.4% returned from the prior year.

Staff Breakdowni

313 total FTE

301 Teachers (96%)

12 Counselors (4%)

Teachers

Student:Teacher

18:1

Avg Salary

$86K

15.6 yrs avg experience

Retention ratei94.4%

Attendance ratei94.4%

Administration

Avg Salary

$123K

Support Staff

Counselorsi

1 per 385 students

Teacher Credentials

Novice teachersi4.2%

Out-of-fieldi5.2%

Provisional licensei0.3%

Belleville SD 118Elementary District · 3,211 students

Teachers earn an average of $83K. 90.9% returned from the prior year.

Staff Breakdowni

253 total FTE

252 Teachers (100%)

1 Counselors (0%)

Teachers

Student:Teacher

17:1

Avg Salary

$83K

14.4 yrs avg experience

Retention ratei90.9%

Attendance ratei90.9%

Administration

Avg Salary

$129K

Support Staff

Counselorsi

1 per 3211 students

Teacher Credentials

Novice teachersi7.7%

Out-of-fieldi11.8%

Provisional licensei2.8%

O Fallon Twp HSD 203High School District · 2,502 students

Teachers earn an average of $74K. 95.9% returned from the prior year.

Staff Breakdowni

163 total FTE

156 Teachers (96%)

7 Counselors (4%)

Teachers

Student:Teacher

20:1

Avg Salary

$74K

16.1 yrs avg experience

Retention ratei95.9%

Attendance ratei95.9%

Administration

Avg Salary

$120K

Support Staff

Counselorsi

6.8

1 per 368 students

Teacher Credentials

Novice teachersi2.2%

Out-of-fieldi0.9%

Provisional licensei0.6%

Whiteside SD 115Elementary District · 1,139 students

Teachers earn an average of $60K. 86% returned from the prior year.

Teachers

Student:Teacher

17:1

Avg Salary

$60K

12 yrs avg experience

Retention ratei86%

Attendance ratei86%

Administration

Avg Salary

$109K

Teacher Credentials

Novice teachersi9.7%

Out-of-fieldi0.2%

Wolf Branch SD 113Elementary District · 796 students

Teachers earn an average of $63K. 90.2% returned from the prior year.

Staff Breakdowni

59 total FTE

58 Teachers (98%)

1 Counselors (2%)

Teachers

Student:Teacher

17:1

Avg Salary

$63K

13.2 yrs avg experience

Retention ratei90.2%

Attendance ratei90.2%

Administration

Avg Salary

$118K

Support Staff

Counselorsi

1 per 796 students

Teacher Credentials

Novice teachersi10.4%

Out-of-fieldi4%

Provisional licensei3.5%

Central SD 104Elementary District · 612 students

Teachers earn an average of $51K. 84.6% returned from the prior year.

Teachers

Student:Teacher

15:1

Avg Salary

$51K

10.2 yrs avg experience

Retention ratei84.6%

Attendance ratei84.6%

Administration

Avg Salary

$103K

Teacher Credentials

Novice teachersi5.5%

Out-of-fieldi8.9%

Provisional licensei3.6%

Pontiac-W Holliday SD 105Elementary District · 607 students

Teachers earn an average of $65K. 87.3% returned from the prior year.

Staff Breakdowni

51 total FTE

50 Teachers (98%)

1 Counselors (2%)

Teachers

Student:Teacher

14:1

Avg Salary

$65K

14.1 yrs avg experience

Retention ratei87.3%

Attendance ratei87.3%

Administration

Avg Salary

$112K

Support Staff

Counselorsi

1 per 607 students

Teacher Credentials

Novice teachersi2%

Provisional licensei12.1%

High Mount SD 116Elementary District · 316 students

Teachers earn an average of $54K. 78.7% returned from the prior year.

Teachers

Student:Teacher

13:1

Avg Salary

$54K

9.5 yrs avg experience

Retention ratei78.7%

Attendance ratei78.7%

Administration

Avg Salary

$149K

Teacher Credentials

Novice teachersi12.5%

Out-of-fieldi4.8%

Provisional licensei6.3%

Swansea, IL School Staffing — Teacher Counts & Ratios