A class of students walks through the hallway during the first day of school at Mars Area Elementary School, Wednesday, August 25, 2021, in Mars. Masks are optional for students and teachers. (Alexandra Wimley/Post-Gazette)Third graders listen to their teacher during the first day of school at Mars Area Elementary School, Wednesday, August 25, 2021, in Mars. (Alexandra Wimley/Post-Gazette)From left, Lucy Fortier, Maisie Curtis, Josiah Williams, and Karter Brown from Geri Rabinowitz’s second grade look at a plastic bug they found during recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)Teacher Jess Peterson plays with students from Geri Rabinowitz’s second grade class during recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)Students, including Makenna Hoffman, a second grade student, play on playground equipment at recess during the first day of school at Mars Area Elementary School, Wednesday, August 25, 2021, in Mars. Masks are optional for students and teachers. (Alexandra Wimley/Post-Gazette)From left, Mollie Mannion, Violet Cataldi, Lennon Abbott, and Nora Gyves, from Geri Rabinowitz’s second grade class, on the playground during recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)Teacher Jess Peterson, plays with students, from left, Henry Bell, Mollie Mannion and Miriam Silva during recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)Students swing at recess during the first day of school at Mars Area Elementary School, Wednesday, August 25, 2021, in Mars. (Alexandra Wimley/Post-Gazette)From left, Tony Baumgartner, Alya Askins, and Riley Wilson, students in Geri Rabinowitz’s second grade class, during recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)From left, Isaac Svensson, Khyan Hawkins, Jack Blint, and Willow Brydon, students in Geri Rabinowitz’s second grade class, play soccer during recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)Alya Askins and Riley Wilson, students in Geri Rabinowitz’s second grade class, talk on the steps during recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)Teacher Jess Peterson provides hand sanitizer to second graders, from left, Oliver Creps, Lucy Fortier, and Eliza Garrity-Krier after recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)Mollie Mannion, from Geri Rabinowitz[s second grade class, hangs upside-down on the playground during recess at Environmental Charter School’s Primary School on Wednesday, Aug. 25, 2021, in Point Breeze. (Andrew Rush/Post-Gazette)Students play during recess on the first day of school at Mars Area Elementary School, Wednesday, August 25, 2021, in Mars. (Alexandra Wimley/Post-Gazette)Students, including Makenna Hoffman, center, a second grade student, play during recess on the first day of school at Mars Area Elementary School, Wednesday, August 25, 2021, in Mars. (Alexandra Wimley/Post-Gazette)Students swing at recess during the first day of school at Mars Area Elementary School, Wednesday, August 25, 2021, in Mars. (Alexandra Wimley/Post-Gazette)Beckett Mayes, a second grade student, plays tag at recess during the first day of school at Mars Area Elementary School, Wednesday, August 25, 2021, in Mars. (Alexandra Wimley/Post-Gazette)
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