LEARNit Dictionary
K-12
adjective
/ˌkeɪ ˈtwelv/
UK
/ˌkeɪ ˈtwelv/
US
1
(in the US) relating to education from kindergarten(= the class that prepares children for school) to 12th grade
مهد کودک تا پایه دوازدهم, مربوط به آموزش از مهدکودک تا سال دوازدهم