The superintendents in Boston, Baltimore, and San Antonio, Texas, are the newest members of Chiefs for Change, which is now primarily made up of big-city district leaders.
The Riverview Gardens school district in St. Louis, Mo., which lost its accreditation in 2007, was one of two districts in the state without accreditation.
Leeson Taylor, the superintendent in Greenville, Miss., had been suspended since October, after a video emerged showing a teacher pulling a special education student by the hair across a gymnasium.
A federal investigation found that the East Hartford, Conn., school system failed to provide adequate language services to parents and guardians with limited English skills.
U.S. District Chief Judge Rodney W. Sippel had halted the district's school board elections until a new system could be put in place. The Ferguson-Florissant, Mo., district had argued to keep its current at-large voting system.
Antwan Wilson, the superintendent in Oakland,calif., is likely to succeed Kaya Henderson as the District of Columbia's permanent schools chancellor.
The resolution says that the Denver Public Schools will continue to "provide equal opportunities and safe learning spaces for all of our students."
Kaya Henderson, the former chancellor of the Washington, D.C. school district, was censured over soliciting donations for the city' schools from a vendor doing business with the city, the Associated Press reported.
Mary Ronan spent 40 years with the Cincinnati school district, starting as a teacher in 1976, before moving up the ladder to become district superintendent.
The New Jersey Department of Education plans to boost the maximum salary for school superintendents from $175,000 to $191,000, with some exceptions.