1start out
2state park
3stay awake
4stay away from
5stay off one's foot
6stay put
7stay up all night
8step by step
9step up one's efforts
10stick around
11stick with sth.
1stock up on sth.
2stop by
3stop doing sth.
4stop over
5stop to do sth.
6stop watch
7straight A's
8straighten out
9student advisory committee
10student card
1student center
2student government
3student ID (identity)
4student loan
5student lounge
6students' association
7study lounge
8stuff like that
9stuffed animals
10subscribe to
11summer job
12summer session