First question, try this link for more answers.
Free instant messaging Essays and Papers

2nd question, yes, that should work fine.

 

1) Hangouts should be able to do that. As long as you turn off the data connection on the phone, it should work for wifi only.

2) As long as you make sure the data is turned off on the phone, he should be able to connect to the school's wifi and email pictures to his teacher.

 

Nothing with emails either . you would have to set up a Google account in either parents name and set up a signature with the child name. Or the signature will need to start or end with " this is tommy son of "and you would need to put your names in . the age is a big thing and somewhat scares to me . or ask his teacher what programs do she feel is safe to use .

 

If you remove the Sim card, the phone will have no cell phone service or data service, but it still will be able to connect to wifi and it will be able to do everything except calls and texts (yes camera will work). As for messaging app, just look on the play store for "free texting" applications, which will use Internet to send SMS to phones. Hope this helped!

 

I honestly can't think of a calling option that wouldn't require signing up for an account with a valid email address.

Skype, maybe?...But even Skype requires an email address.

 

Text plus will work for this

 

Very useful post. thx u