Michener took a job as a high school English teacher at The Hill School in Pottstown, Pennsylvania. From 1933 to 1936, he taught English at George School in Newtown, Pennsylvania. He attended Colorado State Teachers College in Greeley, Colorado, (in 1970 renamed the University of Northern Colorado), where he earned a Master of Arts degree in Education. After graduation, he taught at the university and at College High School (the University Lab School) for several years. The library at the University of Northern Colorado was named after him in October 1972.