The NAACP argued that this pay inequity infringed Gibbs’ 14th Amendment rights and the separate but equal doctrine laid down in the 1896 U.S. Supreme Court decision in Plessy v. Ferguson.
After trying and failing to dismiss the case, the Montgomery County School Board settled out of court on December 8, 1936, agreeing to raise Black teachers' salaries to match the salaries of white teachers within two years.
Along with a separate case filed the following year against Maryland's Calvert County School District by Harriet Elizabeth Brown, it paved the way for the Maryland Teachers Pay Equalization Law in 1939, which equalized teacher pay statewide.
[2][3] Gibbs v. Broome was also one of the cases that laid the legal foundations for Marshall to win the case of Brown v. Board of Education (1956), in which the United States Supreme Court declared racially segregated schools unconstitutional nationwide.
He worked in youth programming in Pennsylvania before becoming principal of Auburn Elementary School in Swedesboro, New Jersey, in 1940.