Tighter attendance rules for American Canyon schools By KERANA TODOROV, Register Staff Writer | Posted: Saturday, June 19, 2010 12:00 am Starting this fall, public school parents in American Canyon will have to show proof that they live in American Canyon, not only when they register their children, but every year after too. The Napa Valley Unified School District is imposing a strict residency test to keep interlopers, including those from Vallejo and Fairfield, from squeezing out American Canyon youngsters from local schools. Under district policies, only American Canyon children can attend the city’s three elementary schools, middle school and...