(a) – 23 SBHCs (1984). 35 SBHCs (1985). 61 SBHCs (1986). Lovick, S. R. & Wesson, W. F. (1986). School-Based Clinics: Update. The Support Center for School-Based Clinics, a project of The Center for Population Options. Washington, DC.

(b) – 85 SBHCs. Lovick, S. R. (1987). The School-Based Clinic: Update 1987. The Support Center for School-Based Clinics, a project of The Center for Population Options. Washington, DC.

(c) – 120 SBHCs. Lovick, S. R. & Stern, R. F. (1988). School-Based Clinics 1988 Update: A Closer Look at the Numbers. The Support Center for School-Based Clinics, a project of The Center for Population Options. Washington, DC.

(d) – 153 SBHCs. Hyche-Williams, H. J. & Waszak, C. (1990). School-Based Clinics: Update 1990. The Support Center for School-Based Clinics, a project of The Center for Population Options. Washington, DC.

(e) – 327 SBHCs. Waszak, C. & Neidell, S. (1991). School-Based and School-Linked Clinics: Update 1991. The Support Center for School-Based Clinics, a project of The Center for Population Options. Washington, DC.

(f) – 500+ SBHCs. McKinney, D. H. & Peak, G. L. (1993). School-Based and School-Linked Health Centers: Update 1993. The Support Center for School-Based Clinics, a project of The Center for Population Options. Washington, DC.

(g) – 900 SBHCs. The Center for Health and Health Care in Schools. (1997). National Survey of State SBHC Initiatives: School Year 1995-1996. Washington, DC. Retrieved February 24, 2023, from http://www.healthinschools.org/static/papers/96natlreport.aspx

(h) – 1,157 SBHCs. Lear J. G., Eichner N., & Koppenman J. (1999). The growth of school-based health centers and the role of state policies: Results of a national survey. Archives of Pediatrics and Adolescent Medicine, 153, 1177-1180. Retrieved February 24, 2012, from http://archpedi.ama-assn.org/cgi/content/abstract/153/11/1177

(i) – 1,380 SBHCs. The Center for Health and Health Care in Schools. (2001). State Survey of School-Based Health Center Initiatives From School Year 1999-2000. Washington, DC. Retrieved February 24, 2012, from the CHHCS website here.

(j) – 1,498 SBHCs. The Center for Health and Health Care in Schools. (2003). 2002 State Survey of School-Based Health Center Initiatives. Washington, DC. Retrieved February 24, 2012, from CHHCS website here.

(k) – 1,708 SBHCs. National Assembly on School-Based Health Care. (2007). School-Based Health Centers: National Census School Year 2004-2005. Washington, DC. Retrieved February, 23, 2012, from http://www.nasbhc.org/atf/cf/%7BB241D183-DA6F-443F-9588-3230D027D8DB%7D/EQ_2005census.pdf

(l) – 1,909 SBHCs. National Assemby on School-Based Health Care. (2010). School-Based Health Centers: National Census School Year 2007-2008. Washington, DC. Retrieved February 23, 2012, from http://www.nasbhc.org/atf/cf/%7BB241D183-DA6F-443F-9588-3230D027D8DB%7D/NASBHC%202007-08%20CENSUS%20REPORT%20FINAL.PDF

(m) – 2,315 SBHCs. School-Based Health Alliance (2015). 2013-14 Census Report of School-Based Health Centers. Retrieved January 5, 2016 from http://www.sbh4all.org/school-health-care/national-census-of-school-based-health-centers/

Note: The chart above is available for free use, so long as the image is properly attributed.