Two disability advocacy organizations filed a Justice Department complaint on the parents' behalf, saying that seven Ohio districts were failing to translate documents or provide interpreters.
The president's proposed fiscal year 2016 budget would raise spending levels for those programs to $773 million, an increase of nearly 5 percent.
The request, which is $150 million more than the current federal budget, would allocate nearly $60 million in new funding for repairing schools and new construction.
Classification policies and evaluation tools can vary widely from state to state, and even district to district, leaving widespread opportunity for error.
The study found that the quality of early-childhood teachers' English use is more important than the quantity for developing language skills in young ELLs.
"The Condition of Latinos in Education: 2015 Factbook" pulls data from a number of sources to a give state-level picture of K-12 enrollment and shed light on national advances and challenges for Latino students.
The programs will include instruction in Mandarin, French, Haitian Creole, Hebrew, Japanese, or Spanish, depending on the school site.
An Education Commission of the States report outlines each state's funding mechanism for ELLs, along with differences in dollar amounts and teacher allocations across the states.
The guidance comes on the heels of the recent 40th anniversaries of Lau v. Nichols, a landmark Supreme Court decision, and the Equal Educational Opportunities Act of 1974, both of which expanded rights of students with limited English proficiency.
Former Arizona Superintendent of Public Instruction John Huppenthal deemed several courses illegal during his final hours in office, leaving one of the state's largest school districts facing a possible funding loss of $14 million annually.