Take the following as truth: Bottom-up  the young being inducted into school at an early age and proceeding, level by level, to institutions of ever  higher  learning, stopping off for various reasons at various levels, usually marked by tests and the distribution of certificates providing a social grade.
Then the following statement: "The young people who stall at different levels eventually end up leaving education for work." is true, false, or inconclusive?
Answer: Inconclusive