Social support, widely studied as a variable that positively affects t
he adaptation of adolescents, is often less present in the lives of yo
uths at risk of school failure. This study explores the social support
of at-risk students, including who provides each of eight types of su
pport, and the effects of particular types of social support on school
performance outcomes. Results of analyses of data from students enrol
led in Communities In Schools programs, indicate that parents and adul
t caretakers ave major sources of social support for both middle and h
igh school at-risk students. Analyses of school outcomes data indicate
that particular types of social support ave associated With different
desirable school outcomes. The article presents implications for soci
al work practice and the development of intervention strategies to enh
ance students' school performance and behavior.