He became an acolyte of Reverend Thomas Logan, rector of the St. Augustine Mission in Yonkers and ghost wrote articles for him in the Philadelphia Tribune.
The Parents' Workshop was a grass roots organization initially housed at Siloam and later expanding to Brooklyn, Manhattan, Queens and the Bronx.
[5]: 31, 33 In 1960, Galamison, Annie Stein, Thelma Hamilton and other members of the Parents' Workshop began a campaign to pressure the New York City Board of Education to integrate the schools.
[5]: 34 After years of fruitless struggle to effect meaningful change, Galamison organized the Citywide Committee for Integrated Schools, a collaboration of the Parents' Workshop, the NAACP, the Congress of Racial Equality, the National Urban League, and the Harlem Parents' Committee, to stage a one-day boycott of the New York City public schools.
[4] The focus of the educational reform movement in New York City shifted from integration to decentralization,[7] and in 1967 Galamison founded a new organization called Citywide Coalition for Community Control.
The efforts of this group led to the creation of demonstration schools with locally elected governing boards responsible for decisions related to hiring and curriculum.
[4] During his years as an activist and advocate for reform in the New York City school system, Galamison was arrested nine times for various acts of civil disobedience.