<p>Yield has been on the rise because more admissions are coming through early decision. Historically, yield on regular decision has been more steady. According to a Wash U press release in January over 630 were offered early admission representing just over 35% of the incoming class. Assuming a 24% yield on regular decision (the yield rate on two of the past three years for which public data is available) , the freshman class would be 1679 (with early admits representing 37.5% of the incoming class). </p>