drop out of

drop out of (something)

1. To let someone or something fall or proceed out of something. In this usage, a noun or pronoun can be used between "drop" and "out." Drop the troops out of the plane once you're safely over the compound. Of course the boys got into mischief and started dropping each other's things out the window.
2. To leave an activity or program without finishing it. I'm going back to school because I always regretted dropping out of college.
See also: drop, of, out
Farlex Dictionary of Idioms.

drop (someone or something) out of

something and drop someone or something Off to let someone or something fall out of something. She dropped the paper out of the window. Max threatened to drop Lefty out of the open door of the plane. I opened the window and dropped out the caterpillar.
See also: drop, of, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • drop out of (something)
  • drop into
  • drop off
  • drop from
  • drop from (something)
  • drop on
  • drop (someone or something) on (someone or something)
  • drop in
  • drop in(to) (something)
  • drop it
References in periodicals archive
I actually think that horticulture is one of those careers that drop outs drop out of quite quickly!
EXPERT OPINION
The report also indicates that the main reasons that prompt students to drop out of school is truancy (36.2%) followed by pregnancies (20.4%).
South Sudan education ministry: the truancy problem
Upper secondary education in Norway faces a similar challenge, because in recent decades, around one-third of the students drop out of the educational programmes.
Learning for Vocation Apprentice Participation in Work Practice
I strongly suspect this will evolve into just another avenue to encourage a few students to drop out of school.
Dealing with high school drop-outs
If this makes sure they don't drop out of the system it has to be good thing."
Training move 'a good thing'
HALF those who drop out of school aged 16 regret their decision to quit education for good, a poll found yesterday.
Regret of drop-outs
"When a kid wants to drop out of school, it's just a symptom of a larger problem."
Eliminating dropouts with persistence and shoe leather: this small school district took on its truancy problem head-on. Its result: no dropouts. (district profile)