Did you know learning to sing high notes easily is possible?  Just go follow some quality guides for singing.  First, singing high is just as hard as singing low compared to your normal speaking range.  You can actually start to expand your range by using high and low notes while speaking regularly.  So you can get some great lessons and then you can start to implement that into your daily practices.  You can learn to raise your soft palate and and learn to sing from the diaphragm to improve your singing.  You can learn lip rolls and other techniques.  It’s comparable to other musical instruments.