Post-World War II, on 5 September 1950 the new Wallaceburg District High School was opened at the present location on Elgin Street under the custodianship of Principal W. Clair F. Weir and eighteen staff members.

[7] The Grades 7 and 8 students became housed in a separate wing of the school, which had been a Saint Clair College of Applied Arts and Technology campus.

[8] Due to its small number of students, Wallaceburg Secondary has made the school smaller in order to use the land as a sports field.

The shield has the word 'Wallaceburg' (or 'Wallaceburg District SS', or 'Wallaceburg DSS'), the oil lamp (representing learning), and a beaver (part of the then-town's coat of arms).

[citation needed] The school ring is of silver, showing the wheat fields from the area's farming, the oil lamp of learning, a ruby stone, and the words 'Wallaceburg District SS'.

Within that library is the Frank Mann Reference Room, named for a well-known community worker and town historian (born 1896).

School awards at this time included agriculture mechanics, senior secretarial courses, and shorthand.

The formative years under Principal Dickenson (1917–1933) saw the introduction of a literary society, cadet corps, choirs, bands, and other 'enrichment'.

Related to the town's namesake, Scottish hero William Wallace, the sports teams are named the 'Tartans'.

The interhouse council assists with the student governance activities including with the school houses of Dickenson, Dundas, Laing, and Plewes.

Thomas B. Dundas arrived in 1893 as an educator, becoming principal of a public school, before going on to serve five town mayoral terms.

Over the years there have been (end-of-school-years as indicators only):[12][3] Students have also represented the school at various activities including the 1947 Kent County Track and Field Meet.

[20] In the 1980s regular events included Grade Nine Orientation, dress-up days, Christmas Assembly, Indian Feast and Mini Pow Wow, and commencement.

[9] The trophy was rebuilt by 2010, and now features a bronzed football shoe of former Tartan kicker Shaun Suisham.

[23] Royal Canadian Army Cadets corps were attached to the school from Principal Dickenson's time to at least 1949.