[Blood of Tyrants]

The deduction can be taken on your federal return but in AZ it's a dollar for dollar credit against the tax owed instead of a deduction to your taxable income.

No, I am pretty sure that you can't take a tuition deduction for private school. If I am wrong, please direct me to some info to the contrary.

[Tucsonican]

No, I am pretty sure that you can't take a tuition deduction for private school. If I am wrong, please direct me to some info to the contrary.

You can't take a tuition credit for this contribution but it (CTSO) is an organization qualified for a charitable contribution deduction on your Schedule A. You can take that contribution deduction whether you live in AZ or not.