Question

How could the bolded sentence in this brief passage be revised in a way that would improve its coherence and clarity?

No change is needed.
Teachers saw at least four trends become popular
In 2016-2017 alone, teachers saw four trends become popular.
In the 2016-2017 school year alone, teachers saw at least four trends
become popular.

Answer 1

This makes most sense

Explanation:

In the 2016-2017 school year alone, teachers saw at least four trends

become popular.