California school districts are shouldering a bigger share of the cost of special education, reflecting a further shift of the burden from state and federal governments, according to a new report from the state Legislative Analyst’s Office. Between the 2004-05 school year and 2010-11, the local portion of special education services grew from 32 percent to 39 percent. During that same period, the percentage paid by the federal and state governments fell. School districts now pay more than twice what the federal government puts in, or about $3.4 billion a year. The LAO report says the feds have never paid their full share under the Individuals with Disabilities Education Act (IDEA).