- K-12
- K-12 UK [ˌkeɪ ˈtwelv] US abbreviation americankindergarten through twelfth used for talking about the 13 years of school before your university education
K-12 teachers
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(in the US) relating to education from ↑kindergarten (= the class that prepares children for school) to 12th ↑grade
Useful english dictionary. 2012.