The term SCHOOL YEAR can be broken down into two crossword solutions: SESSION (7 letters) and YEAR (4 letters). A school year is typically defined as the period of time between the beginning of September and the end of June, during which students attend classes. During this period, students are typically divided into semesters or sessions, which are periods of time that usually last around four months. The term SESSION is often used to refer to one of these semesters or sessions within a school year.