The current school will shut down at the end of this year, before the new school opens in 2016-17.
Ald. Margaret Laurino submitted a resolution calling for hearings on the issue.
Dyett High School was scheduled to close at the end of the upcoming school year.
"His continued leadership of the school would be a distraction," CEO Barbara Byrd-Bennett said Friday.
Education groups said the alderman never bothered holding meetings before claiming neighborhood support.
Ald. Pat Dowell promised to appeal to CPS officials on behalf of Mollison.
Fifth-grade enrollment at KIPP College Prep Middle School ends July 25.
CPS says the layoffs are due to "enrollment declines," claims fewest end-of-year teacher cuts in years.
Ald. Matt O'Shea believed improvements at MPHS would change the perception of the neighborhood school.
Adam Parrott-Sheffer is correct, said one LSC member, calling the school board "disrespectful."
A coalition of groups seeking to convert Dyett High School to a "green" academy protested at City Hall.
The Board of Education voted to submit Gresham, McNair and Dvorak to the turnaround process.
Students and a legal group backed state legislation setting limits on school disciplinary measures.
Private school students will now take the two-part test for Chicago's top high schools in the fall.
The Chicago Public Schools program runs April 14-18.
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