From potty training to high school graduation, it used to go without saying that parents had ultimate authority over how to raise their own children. Parents impart nutritional and health habits such as limiting sugar and setting a bedtime. Parents teach social, emotional, and religious values such as how to treat people with respect or when to start dating.
But in recent years parents have found themselves in conflict with public schools, which have gone beyond reading, writing, and arithmetic to teaching values previously reserved for parents.