old school

Definition of Old School in English :

1. old school

a class of people favoring traditional ideas

WordNet Lexical Database for English. Princeton University. 2010.

Old School

noun

1. mainly British

a school formerly attended by a person

2.

a group of people favouring traditional ideas or conservative practices

a group of people who cling to traditional or conservative ideas, methods, etc.

n.

A group that adheres to traditional ideas or practices: a diplomat of the old school.

adj.

1. Old-fashioned or traditional: an old-school English teacher.

2. Adhering or conforming to an earlier or original style: old-school hip-hop.