"From our colleges and training schools missionaries are to be sent forth to distant lands. While at school let the students improve every opportunity to prepare for this work. Here they are to be tested and proved, that it may be seen what their adaptability is and whether they have a right hold from above. If they have a living connection with heaven they will have an influence for good on those with whom they come in contact. CT 549.1 A Valuable Experience While we were living at Cooranbong, where the Avondale school is established, the question of amusements came up for consideration. “What shall we do to provide for the amusement of our students?” the faculty inquired. We talked matters over together, and then I came before the students and said to them: CT 549"
"But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judea, and in Samaria, and unto the uttermost part of the earth."
Both passages connect education/training with missionary work and spreading the message to distant lands. Acts 1:8 is the great commission, and EGW applies this to the context of sending missionaries from schools.