The state is trying to fight an Education Department decision that it had not put enough money into special education in the 2010-11 school year.
Concern about special education lawsuits is widespread, but complaints are common only in a handful of states, according to a longitudinal analysis of due process complaints.
The Combating Autism Act, first signed into law in 2006, is set to expire Sept. 30 unless Congress renews it.
Special education funding has been a big issue in the suburban Minnesota district represented by John Kline, a Republican.
The Judge Rotenberg Center in Massachusetts, a residential and day school for children and adults with emotional and behavioral disturbances, is the only entity in the country known to use the devices.
The 16-year-old, who has autism, says that he wants to remain friends with the two teens accused of mistreating him and recording the abuse on cellphone videos.
Even though the state has withdrawn from the Smarter Balanced Assessment Consortium, it still plans to use the common-core-aligned field tests under development for students with severe cognitive disabilities.
The move marks a shift in Iowa's "non-categorical" method of providing specialized service to children with disabilities.
A mother-daughter team argues that reasoning and modeling, rather than teaching math "tricks," is essential for students to gain skills that can transfer to other areas.
Federal officials investigating Americans with Disabilities Act violations in Providence, R.I., had expanded their work to the whole state after settling last year with the Providence school system.