After the depression and war , industry did not return to the city and the town became ever more oriented towards agriculture . It continued to grow , albeit slowly , throughout much of the 1950s and '60s . In April 1965 a major earthquake struck Western Washington and the original Monroe High School and its annex were so severely damaged that they later had to be demolished . The new high school opened in 1968 . A new high school was built in 1999
major earthquake
1965 Puget Sound earthquake
Monroe, Washington