The student is not above the teacher, but everyone who is fully trained will be like their teacher.
Read Luke 6:40 Using Other Translations
The disciple is not above his master: but every one that is perfect shall be as his master.
A disciple is not above his teacher, but everyone when he is fully trained will be like his teacher.
Students are not greater than their teacher. But the student who is fully trained will become like the teacher.
Scripture quoted by permission. Quotations designated (NIV) are from THE HOLY BIBLE: NEW INTERNATIONAL VERSION®. NIV®. Copyright © 1973, 1978, 1984, 2011 by Biblica. All rights reserved worldwide.
(New International Version Bible Online)