Sentence:  Personal conversations I had with teachers/counsellors in different high schools responsible for overseeing RAP certainly indicated that, at least initially, students' confidence about their newly discovered sense of maturity was closer to pseudomaturity or <WSD>adultoid</WSD> behaviour. 
Meaning of the word marked with <WSD> tags:  An (adolescent) who engages in activities that symbolize (adult) (status).