The Edison team earned 24 points in its match with Perkins and Western Reserve before the other teams posted any points. The team never looked back on its way to 63 match points, the highest score of the season.
Perkins used its 34 match points to move into a tie with Monroeville for fifth in the standings.
Monroeville was bumped from third place in the standings by Huron. Huron scored 47 points in a close match with Margaretta and Norwalk. Those two teams tied with 35.
Norwalk remains in second place after the fifth round.
Danbury scored its highest score of the season with 42 points. Lakota also posted its highest numbers of the season with 39 points.
Edison swept the current events and physical science categories on its way to the highest score. The team took eight bonus points each from Perkins and Western Reserve. It also answered eight out of 10 regular team questions on its way to victory.
The Round V matches and scores:
* Lakota 39, Clyde 27, Monroeville 22
* St. Paul 42, Port Clinton 29, New London 16
* Danbury 42, Sandusky 22, South Central 19
* Edison 63, Perkins 34, Western Reserve 8
* Huron 47, Margaretta 35, Norwalk 35
* Willard 37, St. Mary 32, Bellevue 11
The top five teams and their cumulative scores after Round V:
1. Edison 281
2. Norwalk 231
3. Huron 224
4. Margaretta 215
5. Monroeville/Perkins 209 (tie)
The regular season of Firelands Challenge wraps up next week with matches on Jan. 23 and 24. The top two teams, based on their cumulative scores, will qualify for the championship rounds. Teams in third through fifth place will enter a play-off match with the winner eligible for the championship rounds.