<p>Early Action results in a non-binding, early notification of admission. One generally applies early to demonstrate interest and find out his/her decision sooner. Though the admissions rate appears higher, this is usually because the SCEA pool is self-selective and therefore more competitive. Moreover, a higher acceptance rate does not correspond to an increase in your individual chances.</p>
<p>I’ll let others speak about the learning environment, as I’ve never attended myself…but honestly, your trouble will be convincing Harvard, not Harvard convincing you 
That being said, best of luck!</p>