Local students were among the 4,043 students who received degrees May 11 during spring commencement at the University of Colorado at Boulder. The ceremony was held in Folsom Stadium on the CU-Boulder campus. The Chancellor's Recognition Award for students receiving all As in their college careers was given to Rebecca Prull of Broomfield, Colo., who received a bachelor's degree in environmental, population and organismic biology, and Tye Rattenbury of Littleton, Colo., who received a bachelor's degree in applied mathematics.