Replaces everything after the enacting clause. Creates the Drug School Act. Provides that each State's Attorney may establish a drug school to provide an alternative to prosecution by identifying drug-involved individuals for the purpose of intervening with their drug use before their criminal involvement becomes severe. Provides that the State's Attorney, alone, in each county where a drug school is established shall have the authority to determine which individuals, who would otherwise be prosecuted under the relevant provisions of Illinois law, may be eligible to participate in the drug school in lieu of prosecution. Provides that a defendant may be admitted into drug school only upon the agreement of the prosecutor and the defendant. Establishes a funding mechanism for the program.