Need a timeline cleanse? Kendrick Lamar just reunited with his seventh-grade teacher in a clip guaranteed to hit you right in the feelings! Check out the video -- Kendrick pulled up to his alma mater, Centennial High School in L.A. on Friday, where he shared a super sweet embrace with his former teacher ... who proudly told him how happy she was to see everything he’s accomplished. Kendrick took his time chatting with her, listening closely as she explained her daughter actually convinced her