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.

Decatur, IL School Staffing — Teacher Counts & Ratios

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 $52K, providing context for local cost of living.

Student:Teacheri

19.2:1

Avg Teacher Salaryi

$61K

Local Median Incomei

$52K

By District

Decatur SD 61Unit District · 7,740 students

Teachers earn an average of $58K. 84.1% returned from the prior year.

Staff Breakdowni

456 total FTE

444 Teachers (98%)

11 Counselors (2%)

Teachers

Student:Teacher

21:1

Avg Salary

$58K

11.3 yrs avg experience

Retention ratei84.1%

Attendance ratei84.1%

Administration

Avg Salary

$112K

Support Staff

Counselorsi

11.3

1 per 685 students

Teacher Credentials

Novice teachersi9.6%

Out-of-fieldi10.2%

Provisional licensei8%

Mt Zion CUSD 3Unit District · 2,400 students

Teachers earn an average of $71K. 95.6% returned from the prior year.

Staff Breakdowni

144 total FTE

142 Teachers (99%)

2 Counselors (1%)

Teachers

Student:Teacher

19:1

Avg Salary

$71K

17 yrs avg experience

Retention ratei95.6%

Attendance ratei95.6%

Administration

Avg Salary

$127K

Support Staff

Counselorsi

1 per 1200 students

Teacher Credentials

Novice teachersi2.1%

Out-of-fieldi1.7%

Provisional licensei3.5%

Maroa Forsyth CUSD 2Unit District · 1,179 students

Teachers earn an average of $60K. 95.9% returned from the prior year.

Staff Breakdowni

77 total FTE

76 Teachers (99%)

1 Counselors (1%)

Teachers

Student:Teacher

17:1

Avg Salary

$60K

14.5 yrs avg experience

Retention ratei95.9%

Attendance ratei95.9%

Administration

Avg Salary

$107K

Support Staff

Counselorsi

1 per 1179 students

Teacher Credentials

Novice teachersi3.9%

Out-of-fieldi2.2%

Provisional licensei3.9%

Warrensburg-Latham CUSD 11Unit District · 1,001 students

Teachers earn an average of $65K. 92.7% returned from the prior year.

Staff Breakdowni

65 total FTE

63 Teachers (97%)

2 Counselors (3%)

Teachers

Student:Teacher

17:1

Avg Salary

$65K

19 yrs avg experience

Retention ratei92.7%

Attendance ratei92.7%

Administration

Avg Salary

$111K

Support Staff

Counselorsi

1.9

1 per 527 students

Teacher Credentials

Novice teachersi4.4%

Out-of-fieldi1%

Provisional licensei6.4%

Meridian CUSD 15Unit District · 916 students

Teachers earn an average of $57K. 88.2% returned from the prior year.

Staff Breakdowni

71 total FTE

70 Teachers (99%)

1 Counselors (1%)

Teachers

Student:Teacher

16:1

Avg Salary

$57K

12.1 yrs avg experience

Retention ratei88.2%

Attendance ratei88.2%

Administration

Avg Salary

$98K

Support Staff

Counselorsi

1 per 916 students

Teacher Credentials

Novice teachersi6.3%

Out-of-fieldi9.2%

Provisional licensei5.7%

Argenta-Oreana CUSD 1Unit District · 865 students

Teachers earn an average of $58K. 89% returned from the prior year.

Teachers

Student:Teacher

14:1

Avg Salary

$58K

13.2 yrs avg experience

Retention ratei89%

Attendance ratei89%

Administration

Avg Salary

$142K

Teacher Credentials

Novice teachersi8.8%

Out-of-fieldi15.7%

Provisional licensei6.6%

Sangamon Valley CUSD 9Unit District · 616 students

Teachers earn an average of $60K. 92.8% returned from the prior year.

Staff Breakdowni

54 total FTE

53 Teachers (98%)

1 Counselors (2%)

Teachers

Student:Teacher

15:1

Avg Salary

$60K

16.6 yrs avg experience

Retention ratei92.8%

Attendance ratei92.8%

Administration

Avg Salary

$94K

Support Staff

Counselorsi

1 per 616 students

Teacher Credentials

Novice teachersi3.8%

Out-of-fieldi3.7%

Provisional licensei1.9%

Cerro Gordo CUSD 100Unit District · 454 students

Teachers earn an average of $63K. 89.2% returned from the prior year.

Staff Breakdowni

39 total FTE

38 Teachers (97%)

1 Counselors (3%)

Teachers

Student:Teacher

23:1

Avg Salary

$63K

17.3 yrs avg experience

Retention ratei89.2%

Attendance ratei89.2%

Administration

Avg Salary

$117K

Support Staff

Counselorsi

1 per 454 students

Teacher Credentials

Novice teachersi2.6%

Out-of-fieldi12.6%

Provisional licensei2.6%