Sister Margaret sits down to discuss her retirement after 38 years of teaching the youngest special needs children at the Clare Woods Academy at the Bartlett Learning Center on Wednesday July, 11 2012. | Katherine Peters~Sun-Times Media
Some of Sister Margaret's co-workers at Clare Woods Academy at the Bartlett Learning Center sported buttons adorned with her face on Wednesday July, 11 2012. Katherine Peters~Sun-Times Media
Sister Margaret and her co-workers ensure that the special needs students at Clare Woods Academy at the Bartlett Learning Center participate in fun activities that are also educational on Wedensday July, 11 2012. | Katherine Peters~Sun-Times Media
BARTLETT — Sister Margaret Gazdik leaned over one boy’s shoulder and chastised, “You’re not squishing.” She showed him again how to squish the green tissue paper and glue it to a blue construction paper earth. “The earth is in our hands. We’re taking care of …