North Wasco County School District 21 is looking ahead toward its budget for the 2016-17 school year, and it figures to be similar to the current year.  D-21 Chief Financial Officer Randy Anderson says he has turned in an estimate for slightly smaller enrollment for 16-17, which he says will present some challenges.  But the bigger challenge is probably coming in 2017-18.  That’s when school districts in the state will probably have to deal with another increase in obligations to the state’s Public Employees Retirement System.  Anderson expects districts will be told PERS rates will go up about five percent for the next three to five bienniums.