Versions of Illinois Compiled Statutes 105 ILCS 5/10-20.70 - Class size reporting on LawServer 2024 Illinois Compiled Statutes 105 ILCS 5/10-20.70 – Class size reporting 2023 Illinois Compiled Statutes 105 ILCS 5/10-20.70 – Class size reporting 2022 Illinois Compiled Statutes 105 ILCS 5/10-20.70 – Class size reporting 2021 Illinois Compiled Statutes 105 ILCS 5/10-20.70 – Class size reporting