The phrase "culminating event" refers to the final or most important event in a series or sequence. It represents the climax or endpoint of something. Full definition
And these sessions are used to culminating events because students like all the concepts put together - they like hearing it from us. (teachermagazine.com.au)
Often, we seem to increase the pace; we feel compelled to rush through the remaining lesson plans, teach to the last second, and prepare major culminating events as well. (educationworld.com)
This is why almost everyone participates in one of the most popular culminating events of the Pine River unit — Medieval Fun Day. (educationworld.com)