GCS Middle And High School Students Set To Return For In-person Instruction by Keri Brown 10:52pm Feb 09, 2021 The GCS phased in approach will bring back a few grade levels at a time. Image courtesy of Guilford County Schools - Screenshot KERI BROWN/WFDD Guilford County Schools’ older students will begin returning to classrooms over the next few weeks. Middle and high school students will return using a cohort model, with half attending in-person on Monday and Tuesday, and the other half on Thursday and Friday. The remaining days will be used for remote learning. The process will start with sixth and ninth graders during the week of February 22.