TYTS - What does TYTS stand for? The Free Dictionary
References in periodicals archive
A total of 17,383 students from 192 schools participated in the 2001 TYTS.
Second, because TYTS data are self-reported and anonymous, the validity of the responses is difficult to assess.
The Texas Department of Health conducted the statewide TYTS
in spring 1998 and spring 1999.