But before this, higher training of the Hellenic type came to be regularly used by the bishops in training their clergy, and promotion in the Church began to depend upon having had this education. So higher schools of this sort were gradually instituted in every bishopric at the see city, and became known eventually as ‘episcopal’ or ‘bishop’s’ schools, or, from their location at the bishop’s church, as ‘cathedral’ schools. These cathedral schools became the most important educational institutions of the Middle Ages. From them were derived all the schools of Western Europe, but the bishop soon became too busy to attend to them himself and was forced to commit them to various officials. Thus they developed in time into at least three types,--the ‘grammar’ school, taught by one of the cathedral canons, known as the _scholasticus_; the ‘song’ or music school, taught by the _cantor_ or _precentor_; and the ‘chorister’s’ school, which offered a combination of the training in the two other schools. Thus the cathedral schools virtually took the place of the old pagan schools supported by the Roman emperors. [Sidenote: Growth of opposition to the Græco-Roman culture.] =Influence of Græco-Roman Culture upon Christianity.=--However, by the century after the foundation of the catechetical school at Alexandria, the Christians had begun to grow suspicious of Græco-Roman culture and the ‘worldly’ ideal in education. Even the Eastern or Greek Fathers of the Church appear to have cooled considerably in their attitude toward philosophy, and the Western or Latin Fathers were more pronounced in their opposition. Roman Christians could not forget the immorality of those who had been connected with this culture, nor the abuse and insults that these pagans had heaped upon them. They felt, too, that the one great mission of the Church was ethical, and that Christ’s second coming was at hand, and that all philosophy and learning were somewhat impertinent. [Sidenote: But great influence of Greece and Rome upon Christian doctrine and Church organization.]