It’s been a long work day, but two dozen parents have come straight from their jobs in the orchards and packing plants to this classroom in their children’s high school. They want their questions answered. In Spanish, they’re firing off queries at the associate principal. Three months ago, these parents understood little about their school. Nearly all are from Mexico, many with little formal education. They come from countries where the schools work differently. But after a nine-week training program, they’re brimming with information and new power. And their questions keep coming.