Translation of "Educational" in Chinese

I found the field trip very educational.

我發現實地考察很有教育意義。

He proposed a reform in the educational system.

他提议对教育系统进行改革。

Some people say that cartoons on television are educational in themselves.

有人說電視上的卡通本身是有教育意義的。

It is essential that every child have the same educational opportunities.

每一個孩子都應該享有平等的學習機會。