l Equal access to education can help tackle educational underachievement
l Equal access to education which can help tackle educational underachievement should be carried out(联想到被谁)
l Equal access to education which can help tackle educational underachievement should be carried out by local authorities（联想到可否为主语）
l Local authorities should ensure equal access to education, which can help tackle educational underachievement, a problem found among disadvantaged children. （最后再做补充）
l An optimized education system is destined to generate numerous ambitious minors, among which, the elites of our time will also be found
When the Indonesian Tsunami occurred, nobody was psychologically prepared for the upcoming disaster which eventually wiped out the entire shore and even the whole city.
Although it’s unfair to lower the qualification for them, some counter-measures should be taken for the sake of a better pre-college learning which could enable them to compete with the urban students in the same platform.
让步语气+宾语从句的搭配，注意which指代的是better pre-college learning
The feeling and experience you acquired from the real places is visual and genuine, which will definitely give you a precious memory.
There is no denying that the creative artists could work as a lubrication when the social disputes and frictions occurred by entertaining people in an artistic and innovative manner, which, to some extent, will also start a new fashion trend or deliver breakthroughs to the realm of art.