Do nothing out of selfish ambition or vain conceit. Rather, in humility value others above yourselves.
Philippians 2:3 (NIV)
We are always inclined to believe that we are better than others or more qualified than them when we are certain that God has called us to ministry. Sometimes this tendency comes from the fact that we are in a better position than them. If we consider Peter and Paul, they are a true example of why and how God calls us to ministry.
A fisherman, without any education, Peter became an apostle to preach to the Jews. Paul had all the knowledge of the law, he was known among the Pharisees, he was appointed to preach to the pagans. Despite the difference in their education, one was not superior to the other; Both had been called by Jesus and had the same mission: To preach the Gospel. The only difference was their audience.
With this in mind, I want you to know that God does not call you because you are better equipped than others or because you have a higher education than them. If He has called you, it is by His grace. Your ability, skills or knowledge have nothing to do with it. It is He who will equip you and give you the means to accomplish His will.