In short Prof Baryamureeba who is the board chairman Uganda Business and Technical Examination Board--UBTEB says primary schools children should be sensitised at an early age so that before sitting for Primary Leaving Examination--PLE, they already know the value of vocational education.
Primary aged school children must go to school.
While they are of age their is no requirement that says they must.
( z1 obligate :ARG2 ( z2 go :ARG0 ( z3 child :mod ( z4 school ) :ARG1-of ( z5 age :ARG2 ( z6 primary ) ) ) :ARG4 ( z7 school ) ) )