Johnson City Schools Is Expanding Its Virtual Learning Options With The Launch Of Market Street School This Fall. The Program, Which Previously Served Grades Six Through Twelve Under Science Hill And Liberty Bell, Will Now Operate As Its Own School And Include Grades One Through Five. Principal Holly Corwin Says The New Format Offers Daily Live Instruction Along With Flexible Learning Options, Making It A Good Fit For Families With Unique Medical Or Lifestyle Needs. Enrollment For Market Street School Is Open Now And Ends July Twentieth.