The phrase "age peers" refers to people who are around the same age as you. They are usually your friends or classmates who were born in the same year or are in the same grade as you. Full definition
Most children spend a lot of time with age peers in day care or school. (momvelous.com)
This summer we will be doing two weeks of camp, divided into same age peer groups. (selectivemutism.org)
Students with disabilities continue to fall behind their same - age peers in reading and math and are more likely to experience discipline problems at school. (intensiveintervention.org)