Trimester
One of three parts of a school year used by some schools for grading.
- Used in
- United States
- Topic
- School calendar
Being checked against official sources. This definition is written in our own words; always check the official guidance for your country.
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Related terms
- Semester United States International
- One of two main halves of the school or college year.
- Term All four UK nations (details may differ)
- One of the three main parts of the school year in the UK: autumn, spring and summer, each usually split by a half-term holiday.
More terms: School calendar
Snow day · Summer school · Teacher in-service day · Year-round school
More terms starting with T · Education glossary A–Z · Get a TIP for your class
Definitions are written by Classfern in our own words for teachers in the UK and the US. They are short explanations, not legal or official definitions: always check the official guidance for your country, nation or state. Classfern is not affiliated with or endorsed by any government department, inspectorate or exam board named here.