What competency-based instruction is and how it can help improve vertical articulation between the curriculum of secondary and postsecondary vocational-technical education programs in Minnesota is the focus of this booklet. Explanation consists of responses to the following questions: (1) What is vertical curriculum articulation? (2) What is competency-based instruction? (3) How does a vocational program become competency-based? (4) How can competency-based instruction help the student? (5) What are the advantages of competency-based instruction? (6) How can competency-based instruction improve the total instructional program? (7) How can competency-based instruction be implemented? (8) What is personalized instruction? and (9) How can vertical curriculum articulation be achieved? Principles are illustrated with reference to a program to train flight attendants. (JT)