Help identifying these chicks

[SaraMarie]

Hello everyone. My student have some chicks for zoology class and need help identifying them.

 

[Mamatomany123]

First 4 look like silver laced wyandottes, the white maybe a silkie(not too familiar with them) and the 2 brown ones possibly speckled sussex

 

[AmeraucanaHank]

my guess is silver laced wyandotte.