1. You can still use form 1040NR but I suggest that you use form1040 from this year onward. You can file joint return, claim your child as a dependent, claim child support credits if you qualify, etc. Also I suspect you should get a greater deduction if you do deduction itemization. One word of caution, once you elect to file as resident alien (in IRS sense, not according to BCIS qualifiers), you need to provide written justification later on you will decide to switch back to non-resident alien and use form 1040NR.
2.Apply a social security number for him. You can go to a local office to fill out application for him. Check irs.gov for a local office near you. Remeber to bring with you his birth certificate (the one issued by your county department of records).
3.You should receive two W-2 forms detailing your salaries paid by the two schools. Add the numbers in box 1 together, that is your pre-tax gross income, unless you have other income sources.
2.Apply a social security number for him. You can go to a local office to fill out application for him. Check irs.gov for a local office near you. Remeber to bring with you his birth certificate (the one issued by your county department of records).
3.You should receive two W-2 forms detailing your salaries paid by the two schools. Add the numbers in box 1 together, that is your pre-tax gross income, unless you have other income sources.