Sex and breed??

[Jemma1066]

Hi, we are super new to this!
We have 4 chics that where hatched at my sons kinder. They are now between 5-6 weeks. Can anyone help with breed and gender??
Photo 4 and 3 are Gloria. I think “she” is an isa brown?
Photo 1 And 4 It sandy. I was told Orpington, but I’m not convinced!
Photo 5 and 6 is chick. I was told australorp
And lastly is Terry in photo 7 and 8, and again we think is a isa brown.
I’d love to hear any gender guesses or breeds as I’m at a loss!

 

[Mylied]

Sandy looks like a male. I'm not sure about breeds.

 

[Jemma1066]

Sandy was the one I was suspicious of! Thank you!! “She” is definitely the more confident of them!

 

[Jemma1066]

Does anyone have any ideas on breed??

 

[annageckos]

Likely mixes

 

[Frazzemrat1]

Likely mixes... where did the school get the eggs?
You look like two red sex links, and one is a cockerel, and either an austrolorp or a black jersey giant. What color are the foot bottoms?