The phrase "to share out" means to distribute or allocate something among a group of people, so that each person receives an equal portion. Full definition
Comparison is such a trap, but you have so many unique and inspiring ideas that we would all miss out on if you didn't share them out of fear. (myweeabode.com)
Students think about a question or problem posed by the teacher, discuss ideas with a partner, and then share out loud as a class. (ct3education.com)
Then have each pair share out with the class, which can rank the topics by interest. (edutopia.org)