The order includes a statement that the mother and father may object to the determination by bringing an action in court within 30 days of the date the administrative officer issued the determination and if neither brings an action within the 30 day period, the administrative order is final.
If you are excluded permanently your school has made a serious decision.
In this case, the probability will be in excess of 99.
Can a baby have two fathers? You may need to provide birth certificates, proof of marriage, or court orders depending on the facts of your case.