Grand Canyon Education Sees Q1 Sales $195.5M vs $195.6M Estimate, EPS $1.49 vs $1.40 Est.; Q2 Sales $174.4M, EPS $0.94; Q3 Sales $190.2M, EPS $1.11; Q4 Sales $215.4M, EPS $1.56; FY19 EPS $5.10, Sales $775.5M