Kathy Oxley, a Danville, Calif., mother of four, is the founder of Preschool Prep Company and the creator of DVDs that help children learn the alphabet, numbers, shapes, and colors. Oxley believes ...

I’ve been teaching high school for 22 years, and even though requests wax and wane throughout the years, I write, on average, about 15 recommendation letters per year. That’s 330 letters at about ...