First Topic: Theology

Should the word "theology" be used in the Christian schools, and in how many ways can it be understood?

It should be used. Even though the word is not found in Scripture formally (and we must not form doctrines not taught in Scripture), the concept is found in Scripture materially. Rom. 3:2, 1 Pet. 4:11, Heb. 5:12 all speak of the words of God. It is helpful in explain doctrine and avoid error (similarly trinity, homoousiou, and original sin are not taught formally but are taught materially).  Even though gentiles used it does not mean that we Christians are not allowed to use the term. Other terms for theology: 1 Cor. 2:7 (wisdom in a mystery), 2 Tim. 1:13 (form of sound words/teaching), Tit. 1:1 (truth witch is after godliness), Tit. 1:4 (common doctrine/ teaching). 

The word theology