Studies have suggested a correlation
between exclusionary discipline policies and practices and an array of serious educational, economic, and social problems, including school avoidance and diminished educational engagement; 9 decreased academic achievement; 10 increased behavior problems; 11 increased likelihood of dropping out; 12 substance abuse; 13 and involvement with juvenile justice systems.14
The 2014 letter declares that «Studies have suggested a correlation
between exclusionary discipline policies and practices and an array of serious educational, economic, and social problems, including school avoidance... decreased academic achievement... increased likelihood of dropping out; substance abuse; and involvement with juvenile justice systems.»