Why is the Engagement part of the SS so hard to boost? Is there something I can do to boost it?

I've had 34 on my engagement part since I was level 23.

Question

Why is the Engagement part of the SS so hard to boost? Is there something I can do to boost it?

I've had 34 on my engagement part since I was level 23.

aravindg · Answer

It's about how good you are a learner. Ask as many questions as possible in all subjects. Involve in good discussion Using the chats can also increase your engagement by a small margin. 

P.S. I am awesome XD

ilovepuppieslol · Answer

yes you have to ask many questions and participate in the learning process, thus earning you medals on your asked questions, thus raising the engagement score.

P.S. I am more awesome than Aravind XD

cas_fangirl_14 · Answer

Now I get it... *light bulb* 
I don't ask a lot of questions because I can Google most of them.