VIENNA, Va., Sept. 8, 2015 (SEND2PRESS NEWSWIRE) -- Stemtree Education Center will celebrate its official grand opening on Thursday, September 24, 2015 at 220 Maple Ave West, beginning at 6 p.m. Light refreshments will be served. Stemtree takes a unique approach to providing students in grades K-12 with one-on-one instruction in science, technology, and engineering (STEM).