Academic term
In most countries, the academic year begins in late summer or early autumn and ends during the following spring or summer. In Northern Hemisphere countries, this means that the academic year lasts from August, September, or October to May, June, or July. In Southern Hemisphere countries, the academic year aligns with the calendar year, lasting from February or March to November or December. The summer may or may not be part of the term system.
Nimitz High School (Irving, Texas)
The school year consists of two 18-week semesters. The regular school days consists of eight 46 minute class periods (an exception is 4th period which is longer due to lunches). A variety of extensive instructional programs meet the needs of students with different learning abilities and interests. In addition to regular courses, classes taught at Nimitz also include Pre-AP, Advanced Placement, dual enrollment, gifted and talented, special education, career and technical education, and English as a Second Language.