Introductions :A better experience while using it .
The best classroom experience is about to get better.
What is new at ios 9.3 :iOS 9 brings you refinements at every level — from the apps you see on your Home screen down to the foundation of the system. Siri is smarter than ever, proactive suggestions keep you on track, and multitasking on iPad hits an all-new high with Slide Over, Split View, and Picture in Picture. All these enhancements enable your devices — and you — to do so much more every day.
Source : Apple.com