how do you ollie higher?

Every time i try to ollie over something i always hit it.... do i need to pop harder and jump higher?? will that help?

yes it will

that sound kinda logical, no?

Yes pop harder and jump higher. What also works is putting your feet further back on the board, so no toes go over the edge. The less foot you have on the tail the quicker the pop is. You also need a quicker pop to go higher. And bend down tons and suck up your knees tons. Also, it just comes with practice and strong calve muscles.

you need the right speed also

Yeah Christian is right, you go higher if you go faster.

well its not about popping hard i can pop harder and it wont go higher you can pop normal and jump higher its good timing as well that helps if you do a quick pop and jump at the right time and level it out nice you will do it keep trying mate.