THE NONGRADED PLAN OF SCHOOL ORGANIZATION PUT INTO EFFECT AT SACRAMENTO'S WILL C. WOOD JUNIOR HIGH SCHOOL IN 1964 WAS EVALUATED AND COMPARED WITH GRADED PROGRAMS AT OTHER SCHOOLS BY MEANS OF STANDARDIZED TESTS AND TEACHER OPINIONS. THE POPULATION OF THE STUDY CONSISTED OF THREE PUPIL GROUPS--(1) 212 PUPILS WHO WERE IN THE SEVENTH GRADE DURING THE 1964-65 SCHOOL YEAR AND IN THE EIGHTH GRADE THE NEXT YEAR, (2) 223 PUPILS WHO WERE IN THE EIGHTH GRADE DURING THE 1964-65 SCHOOL YEAR AND IN THE NINTH GRADE THE NEXT YEAR, AND (3) THE PUPILS IN THE SECOND GROUP WHO COULD BE MATCHED WITH COMPARABLE PUPILS IN GRADED JUNIOR HIGH SCHOOLS. THESE THREE GROUPS WERE TESTED IN TERMS OF PUPIL ACHIEVEMENT AND ATTENDANCE. THE FOLLOWING RESULTS WERE NOTED--(1) THE ACADEMIC STATUS OF THE FIRST TWO GROUPS REMAINED VIRTUALLY THE SAME UNDER THE NONGRADED PLAN, (2) THE GAINS MADE BY THE GRADED PUPILS IN THE MATCHED PAIR GROUP EXCEEDED THOSE MADE BY THE NONGRADED PUPILS, (3) ATTENDANCE DID NOT DECREASE AS A RESULT OF THE NONGRADED PROGRAM, AND (4) TEACHERS GENERALLY AGREED WITH THE THEORY OF THE NONGRADED PLAN, AND MOST FELT THAT IT WAS A VALUABLE ADDITION TO THE JUNIOR HIGH SCHOOL. (HW)