Why do i not get notifications on my school's Wi-Fi?

I usually get facebook notifications, snapchat notifications etc but when i'm connected to my school's Wi-Fi i don't get these. I see that people who have iPhones do get notifications but i don't get them on my Samsung Galaxy S4, why is this and how do I fix this?

Please refer to your elder or the 1 who is expert in oll tht and if also this prblm comes thn contact samaung compaany or customer care

I would guess the school's Wi-Fi is blocking access to Facebook etc. (as most schools do) but the iPhones are connecting to their mobile network carrier.

Well, maybe Wi-Fi connection is slow, or the connection is blocking those site/apps. Got to the store where you both your phone and tell what's your problem.

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