Wings of Knowledge Tutorial Service 5036 Snapfinger Woods Dr, Decatur, GA30035 Does your child need some extra help in school? Wings of Knowledge Tutorial Service offer math tutoring, reading…More tutoring, help with the PSAT and SAT prep. It can also help prepare for the graduation test. All ages are welcome at this Decatur location on Snapfinger Woods Drive. Wings of Knowledge Tutorial Service offers specials to help make the courses more affordable. Call or stop by and visit the office. In addition to offering classes, there are also one-on-one tutoring sessions available.