4 roommates with 1 needing co-singer for single family home

[Amy Lin]

Hey guys!

I have a single family rental home in Texas and this year we are getting 4 recent grads moving in. My experience always has been renting to families so I am not sure how I should go about doing this with renting to roommates. 1 roommate stated that his dad can co-sign for him since his income is lower than the others. In this case, how do I structure the lease agreement so that his dad is only cosigning for his portion of the rent and liability? Do you use the standardized Texas residential lease for this type of roommates situation? Thank you so much!