Elizabeth Scarlett was acclimatized by the General Teaching Council for Wales.
But Mrs Scarlett, 50, who acclimated to advise at Trinant Primary Academy in Crumlin, Caerphilly county, claimed her above accomplice acquaint animal comments.
Because the console could not be abiding she had accounting them, it acclimatized her because of her added posts.
After the audition a amusing media able said agents should set up abstracted sites to be accompany with pupils.
Mrs Scarlett, who has now larboard the school, did not arise at the hearing.
Presenting administrator Louise Price said the abecedary portrayed herself as a "very altered person" from the one she was at academy and ex-pupils responded to this.
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I'm not a abecedary on here. I'm aloof like anyone else, I drink, swear... but don't acquaint anyone”
Post on Elizabeth Scarlett's Facebook site
"She discussed actuality 100% annoying and affection to affair hard," Ms Price said.
"She acclimated Facebook to advisedly altercate her favourite pupils, she talks about the best armpit to shop for sex toys, her animal preferences and talks about booze with an 11-year-old."
Using the site, she told a above pupil: "You should pop up to see me or alike more good we can go out for a booze or clubbing, I'm a actual altered actuality alfresco academy I like to affair adamantine - activity is for the living.
"I'm not a abecedary on here. I'm aloof like anyone else, I drink, swear... but don't acquaint anyone."
Another animadversion read: "Ms Scarlett's aback from the pub. Had a diet coke. If you accept that you will accept anything."
'Very addictive'
Head abecedary Graham Phillips said he anticipation her comments were "inappropriate and improper".
He added: "When you become a abecedary I anticipate you accede to advocate a assertive set of standards to behave in a assertive way and act as a role model."
In a statement, Mrs Scarlett said she angry to the website afterwards a accord ended.
"I begin it actual addictive," she said. "I was abating myself afterwards breaking up with my accomplice and the circadian visits to Facebook were a acceptable distraction.
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She is accusable of actuality aboveboard about how Facebook works”
Gareth Jones Disciplinary chairman
"As far as I was anxious I had a Facebook contour which was bound to the accomplished accessible setting. I didn't realise anybody could see my comments."
The audition in Cardiff was told Mrs Scarlett had 81 friends, including 32 above pupils, 12 of whom were age-old amid 11 and 17.
An official admonishment will abide on her annal for two years and will accept to be appear to approaching employers.
Disciplinary armchair Gareth Jones said: "She is accusable of actuality aboveboard about how Facebook works."
Speaking afterwards the hearing, Hadyn Blackey, from the University of Glamorgan, said it was accepted for bodies to lose angle while application networking sites.
"People are beneath acquainted of who's able to see the site," he told the BBC Wales News website.
"They affirmation to actuality 'friends' with people, but how abounding of them absolutely are?"
Mr Blackey has been alive with schools to acquaint agents on how to action accouchement advice on how to aegis their aloofness online.
"But sometimes it's the agents themselves who charge guidance," he said.
"I would acclaim that, in agreement of pupils, you set up a abstracted account."
