The 48 districts said the state has miscalculated state aid for about 22 years and that the mistake has cost disadvantaged districts million of dollars.
The Chicago Teachers Union has called the impending walkout a "day of action" The union called for the labor action after the school district announced three furlough days.
A new report on the state of the nation's school infrastructure calls for significant new investment in K-12 public school facilities.
The superintendents of Palm Beach County, Brevard County, and Orange County schools in Florida as well as those of Denver, Newark, N.J., and Oakland, Calif., were announced as new members of Chiefs for Change.
The city plans to install dispensers in the bathrooms of 25 middle and high schools, which will provide girls with access to free tampons and pads.
Jeff Rose has led the Beaverton school district since 2011.
Superintendent William Hite has said that he wants to hire a nurse and counselor in every school. That plan depends on state funding.
A select number of universities will partner with up to three school districts and with leading principal-preparation programs to improve the training they provide for school leaders.
The school district shut off drinking water fountains at 30 schools last week after tests showed elevated levels of lead in drinking water in those buildings.
Districts are dipping into reserves, cutting programs, and borrowing huge sums of money to stay afloat during the Pennsylvania budget impasse, according to the state's school boards association.