LOS ANGELES, Calif.—Masks will be required for students and staff at California school campuses this fall, but revised guidance issued by the state means local districts will determine how to enforce the mandate if students refuse to comply. Long Beach school officials said they would be developing specific guidelines. “We’re committed to full-time, in-person instruction when the new semester begins,” said Chris Eftychiou, spokesperson for the Long Beach Unified School District. “We appreciate that the newest guidance supports our commitment to in-person learning. As we approach the Aug. 31 start of the new school year, we’ll continue monitoring masking guidance in partnership with Long Beach Health and Human Services before establishing more specific protocols.” California health officials on July 12 revised their guidance regarding the use of face coverings on school campuses. The state rules initially banned children who refuse to comply with the mask-wearing mandate from campuses, but it …