sentences:  Before the start of the 1999-2000 school year the school's community suffered a split when a group of teachers and several families whose children were enrolled there left to form River Oak Charter School in the Ukiah Unified School District.The effects of the Great Recession were felt especially hard in Mendocino County, with many families no longer able to afford the costs of private school tuition and enrollment at the school fell below 100 students for the first time since the mid-1990s.A closure was narrowly averted in 2009, then from 2011 to 2013 it was forced to sell all of the land it had purchased but not yet made developments on to compensate for budget deficits.