It’s been quite a year for East Orange social studies teacher Theresa Maughan. Last year, she was namedNew Jersey’s 2021-2022 State Teacher of the Year. Now, she is receiving one of teaching’s highest national honors. Maughan, who teaches high school social studies at East Orange STEM Academy, and will be one of five educators from across the country receiving the 2023 Horace Mann Award for Teaching Excellence from the NEA Foundation, a non-profit group based in Washington, D.C. Each honoree will receive a $10,000 award and be featured in a documentary. “[The Horace Mann Award] means a lot bec…