title: A three-level school health program.
mesh_terms: D002648:Child; D006266:Health Education; D005102:Health Expenditures; D006801:Humans; D007087:Illinois; D011635:Public Health Administration; D011637:Public Health Nursing; D012017:Referral and Consultation; D012572:School Health Services; D012573:School Nursing; D000078329:Workforce