During the 1970s the PTU repeatedly challenged the government and on some occasions forced it to make concessions. During the Golden Jubilee Secondary School Incident in 1978, which was triggered by alleged corruption in a secondary school, the school was shut down by the Education Department after 900 students and teachers organised a sit-in to protest financial irregularities.
During the 1970s, the PTU frequently challenged government authority and sometimes compelled concessions. In the Golden Jubilee Secondary School Incident of 1978, which was triggered by corruption allegations in a secondary school, the institution was closed by the Education Department after 900 students and teachers staged a sit-in to protest financial irregularities.