Chicago mayoral candidates promise to raise wages for early childhood educators, but differ on how to do it.

Chicago’s mayoral candidates say the city needs to increase wages for early childhood educators, make child care affordable for families, collaborate with local providers and state agencies to make funding easier, and even allow child care providers to move into public schools that are underenrolled.

The candidates detailed how they would reform child care and early childhood education at a forum organized by Child Care Advocates United — a professional organization in Illinois that supports early childhood educators and providers — on Wednesday night. All of the mayoral candidates except...