View all the sectional titles won by the South Plainfield Tigers. Since 1919, South Plainfield has won five sectional championships. Winning all four sectional finals since 1962, the Tigers last won a sectional final in 1991. South Plainfield last appeared in a sectional championship in 2004.
South Plainfield Tigers–Sectional Titles
| Year | Classification | Section |
| 1962 | Group II | Central |
| 1964 | Group III | Central |
| 1965 | Group III | Central |
| 1990 | Group II | Central |
| 1991 | Group II | Central |