Hendricks Day School of Jacksonville enjoys a widespread affiliation with many organizations in the local area as well as statewide organizations including the National Junior Honor Society and others.

In addition, Hendricks Day School is accredited by both the Florida Council of Independent Schools as well as the Florida Kindergarten Council.

The Florida Council of Independent Schools (FCIS) is a professional education association founded in 1954 by a small group of independent private school leaders. Their purpose is to establish high standards for nonpublic schools. Today, FCIS evaluates and accredits independent schools throughout Florida. As one of the nation's largest organizations of independent schools, it represents over 77,000 students in 158 member schools. The Council assures that each school maintains high standards and independence of character without political, financial, or bureaucratic pressures.

Hendricks Day School of Jacksonville is a Charter Member of FCIS.

Founded in 1958, Florida Kindergarten Council is dedicated to maintaining a higher quality of education in pre-primary schools and kindergartens throughout the state of Florida.

Hendricks is proud to be affiliated with and accredited by the Florida Kindergarten Council.