31–0
The result and its place
The combined Greenbrier record lists the 31–0 win against DeKalb Co., entry 6 of 10 in 1980. The result moved the Bobcats to 4–2; the margin was 31 points. It was a Greenbrier shutout.
Season arc
It was one of four Greenbrier shutout wins in a 5–5 season with a positive point margin.
Source check
The school list and independent schedule agree on 31–0. A newspaper headline says 35–0, but the scoring lines on that page total 31.
Open the contemporary game clipping · 1980 season and source comparison.
The scoring lines support the retained 31–0 final
A newspaper headline prints 35–0, but its scoring summary adds to 31 and agrees with the school list and independent schedule. Scott Elder carried 20 times for 100 yards; Elder scored twice, with Randy Cook, Gary Webster and Mike Clark also reaching the end zone. DeKalb was held to 42 total yards.

DeKalb Co. from 1976 through 1982
From 1976 through 1982, this opponent appears 4 times in 1979, 1980, 1981, 1982. Greenbrier went 3–1, scoring 97 and allowing 27.