Doug Kapustin / Baltimore Sun

As Maryland public schools go online this fall, private and parochial schools are ready to welcome students on campus

Liz Bowie
Doug Kapustin / Baltimore Sun

Because of their small size, some experts say private and Catholic schools, are better able to make quick adjustments to their curriculum and often have more physical space to spread students out. But financial forces and teachers unions are also shaping public and private school decisions.