Text concerning the Southwestern Cooperative Educational Laboratory (Southwest Cooperative Education Laboratory) is conducting a student testing program in its 11 beacon schools to provide baseline data for program evaluation. 2. A total of 3,852 students in grades 1-6 are being given the California Achievement Test in reading, arithmetic, and language. 3. Data gathered will be used to evaluate materials and methods introduced over the three-year period of Laboratory-sponsored programs in the beacon schools.