Craddock v. Board of Education of Annawan Community Unit School District No. 226 , 81 Ill. 2d 28 ( 1980 )
Johnson v. Board of Education of Decatur School District No. 61 , 85 Ill. 2d 338 ( 1981 )
Richards v. BD. OF EDUC. OF TP. HIGH SCH. DIST. , 21 Ill. 2d 104 ( 1960 )