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D−

Robertson Charter School

PublicElementaryGrades PK–8Charter

2240 E Geddes Ave, Decatur, IL 62526 · (217) 428-7072

Decatur Township’s School Grade D− better than 2% of Illinois school districts

Students
327
Students per teacher
30:1
Free or reduced lunch
64%
Setting
City
Grades
PK–8
The gist

What stands out about Robertson Charter School

  • Its own letter, D−: reading and math results near the bottom of Illinois’s public schools
  • Math proficiency 25 pts below the state
  • Reading / language arts 28 pts below the state
  • Larger classes: 30 students per teacher
  • Enrollment down 10.2% since 2020–21

Test scores

2020–21
Math proficiencyunder 1%
State average 25.9%
Reading / language arts3%
State average 30.7%

Its own letter, D−, places these results among Illinois’s 3,406 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

2240 E Geddes Ave, Decatur

Students

Enrollment by grade
Pre-K40
Kindergarten28
Grade 128
Grade 229
Grade 328
Grade 428
Grade 528
Grade 630
Grade 744
Grade 844
Enrollment over time
364’20
348’21
329’22
332’23
327’24

Down 10.2% since 2020–21.

Who goes here
Black 89%Two or more races 8%White 1%Hispanic <1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Robertson Charter School from Decatur Township families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Illinois’s other public schools; Decatur Township’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.