| Address: | 1118 Fairfield Road |
| City: | Mount Vernon |
| State: | Illinois |
| Zipcode: | 62864 |
| Country: | United States |
| Type: | Public |
| Grades: | PreK–8 |
| Students: | 282 |
Summersville School District 79 or Summersville Grade School 79 (SGS) is a school district, consisting of a single K-8 school, in Mount Vernon, Illinois.
In 2013 the district was one of several to receive grants from the 2013 School District Library program.[1]