| Name |
County |
| Oglesby Lincoln Elementary School |
LaSalle County |
| Okaw Valley Elementary School |
Moultrie County |
| Okawville Grade School |
Washington County |
| Old Post Elementary School |
Kendall County |
| Old School Montessori |
Lake County |
| Olive - Mary Stitt Elementary School |
Cook County |
| Olive C Martin Elementary School |
Lake County |
| Oliver Julian Kendall Elementary School |
Will County |
| Oliver Wendell Holmes Elementary School |
Cook County |
| Oliver Wendell Holmes Elementary School |
Cook County |
| Olson Elementary School |
McHenry County |
| Olympia North Elementary School |
McLean County |
| Olympia South Elementary School |
Logan County |
| Olympia West Elementary School |
Tazewell County |
| Ontarioville Elementary School |
Cook County |
| Orchard Place Elementary School |
Cook County |
| Oregon Elementary School |
Ogle County |
| Orozco Fine Arts and Sciences Elementary School |
Cook County |
| Orrington Elementary School |
Cook County |
| Orville T Bright Elementary School |
Cook County |
| Otis Graves Elementary School |
Cook County |
| Ottawa Elementary School District |
LaSalle County |
| Otter Creek Elementary School |
Kane County |
| Our Lady of Grace Catholic Academy |
Rock Island County |
| Our Lady of Humility School |
Lake County |
| Our Lady of Tepeyac Elementary School |
Cook County |
| Our Lady of the Ridge School |
Cook County |
| Our Lady Queen of Peace School |
Madison County |
| Our Saviors Lutheran School |
Lake County |
| Owen Elementary Scholastic Academy |
Cook County |
| Owen Elementary School |
DuPage County |
| Owen Marsh Elementary School |
Sangamon County |
| PAEC Elementary School |
Cook County |
| Palmer Elementary School |
Cook County |
| Palos East Elementary School |
Cook County |
| Palos West Elementary School |
Cook County |
| Park East School |
Lake County |
| Park Elementary School |
Cook County |
| Park Manor Elementary School |
Cook County |
| Park School |
Cook County |
| Park View Elementary School |
DuPage County |
| Park View Elementary School |
DuPage County |
| Parkside Elementary School |
Lawrence County |
| Parkside Elementary School |
McLean County |
| Parkside Primary School |
Madison County |
| Parkview Elementary School |
Monroe County |
| Parkview Elementary School |
Kane County |
| Parkview Elementary School |
Will County |
| Parkwood Elementary School |
Cook County |
| Parrish Elementary School |
Jackson County |
| Parsons Elementary School |
Macon County |
| Passow Elementary School |
Cook County |
| Pathways To Learning Academy |
Cook County |
| Patrick Henry Elementary School |
Cook County |
| Patterson Elementary School |
Will County |
| Patton Elementary School |
Cook County |
| Paul Cuffe Math Science Technology Academy |
Cook County |
| Paul L Bolin Elementary School |
Tazewell County |
| Paul Laurence Dunbar Elementary School |
St. Clair County |
| Paul Revere Intermediate School |
Cook County |
| Paul Revere Primary School |
Cook County |
| Pawnee Elementary School |
Sangamon County |
| Payson - Seymour Elementary School |
Adams County |
| Peaceful Pathways Montessori Academy |
Kendall County |
| Pearl City Elementary School |
Stephenson County |
| Pecatonica Elementary School |
Winnebago County |
| Penniman Elementary School |
St. Clair County |
| Peotone Elementary School |
Will County |
| Pepper Ridge Elementary School |
McLean County |
| PERKINS BASS ELEMENTARY SCHOOL |
Cook County |
| Perry Elementary School |
Kane County |
| Perry Elementary School |
Boone County |
| Pershing Elementary School |
Cook County |
| Pershing Elementary School |
Will County |
| Peter Cooper Elementary Dual Language Academy |
Cook County |
