TUSTIN

Pioneer Middle School, which will open in the fall, will hold student registration from 1 to 4:30 p.m. on Tuesdays during June at Peters Canyon Elementary School, 26900 Peters Canyon Road. Parents must bring proof of residence, such as escrow papers, a lease agreement or a utility bill; a copy of immunization records; and the most recent report card or test scores. Incoming seventh-graders must have received their second MMR (measles, mumps, rubella) vaccination and must start the series of three hepatitis B shots by the first day of school (Sept. 7) in order to attend. Pioneer is at 2700 Pioneer Road. Information: (714) 730-7534.