USPS creates penpal program The U.S. Postal Service is working with WeAreTeachers to introduce The USPS Pen Pal Project, a free educational program for students in grades three to five, this 2021-2022 school year. The USPS Pen Pal Project will provide 25,000 classrooms across the country the opportunity to partner with matched classes to write 1 million letters with the …