Soldering and the use of tin and lead solder: Is it okay for students to do soldering using the tin/lead solder?

Soldering and the use of tin and lead solder: Is it okay for students to do soldering using the tin/lead solder?
Use of lead in schools: Use of lead and lead salts in schools: Is lead (solid, lead shot, salts) allowed to be used in Years 7 to 10? Are lead salts banned in some jurisdictions?