The Los Angeles teachers union and school district on Tuesday reached an agreement on returning to in-person instruction, about a year after students began learning remotely. The parties termed the deal tentative and said it will allow any student to continue learning outside the classroom. Elementary school students would go to school every day in the morning or afternoon under a hybrid model, while students in middle and high school would keep learning virtually. Those students would have “the opportunity to return to campus for peer interaction, social-emotional learning, and lessons for college and career exploration,” according to a summary of the agreement. The deal requires all students and staff be tested for COVID-19 before returning to their campus and submit to weekly COVID-19 tests thereafter. Masks and social distancing will be required. “The agreement provides for the reopening of schools when Los Angeles County is in the red tier …