The records of 4,886 students in 18 Ontario high schools revealed that, compared to traditional full-year schools, dropout rates in matched semestered schools were lower for general-level students and much lower for basic-level students. There were no differences for advanced-level students. Contains 21 references. (SV)

In 1976, a study determined that student retention had increased markedly following Barstow College's transition from a semester to a quarter system. In 1979, another study was conducted to determine: (1) the accuracy of the 1976 figures; (2) the effect of the shortness of the time period considered in the 1976 study on its reliability; (3) the…