It is the teaching and discipline of the Roman Catholic church that only single men can be ordained priests. You're never too young to think about a vocation. To formally begin college seminary training and formation, you must be a high school graduate. You must be a college graduate to enter the major seminary. Under normal circumstances, the Archdiocese of Newark will not consider the application of anyone over the age of 45 years.
Religious orders have their own policies.
Usually candidates have a very close relationship with the Church and an ever growing relationship with God. All applicants are also asked to undergo psychological testing. However, everyone is treated with respect and evaluated on an individual basis. All aspects mentioned above are considered, but they are only used as part of a more holistic approach in the discernment process. Although the screening process is thorough and demanding, the Vocations Office is here to help.