Complex sentence: In the United States, the practice of taking a "year off" remains the exception, though it has recently become more common for Americans, with prevailing reasons as a feeling of being burned out of classroom education and a desire to understand oneself better.
Split into simpler sentences: In the United States, the practice of taking a "year off" remains the exception. Taking a year out has recently become slightly more common for Americans, with prevailing reasons as a feeling of being burned out of classroom education and a desire to understand oneself better.