Thursday/Sept. 4
<cal2>GUILFORD ES, 7 p.m., 600 W. Poplar Road, grades kindergarten-fifth. 571-434-4550.
HORIZON ES, 6:30-8 p.m., 46665 Broadmore Drive, grades prekindergarten-second. 571-434-3260.
SULLY ES, 6:30 p.m., 300 Circle Drive, grades kindergarten-fifth. 703-444-7470.
<cal1>Monday/Sept. 8
<cal2>PARK VIEW HS, 6:45 p.m., 400 W. Laurel Ave., grades ninth-12th. 571-434-4500.
<cal1>Tuesday/Sept. 9
<cal2>HORIZON ES, 6:30-8 p.m., 46665 Broadmore Drive, grades third-fifth. 571-434-3260.
ROLLING RIDGE ES, 6:30 p.m., 500 E. Frederick Drive, grades third-fifth. 571-434-4540.
<cal1>Thursday/Sept. 11
<cal2>MEADOWLAND ES, 6:30 p.m., 729 S. Sugarland Run Drive, grades kindergarten-fifth. 703-444-7430.
SUGARLAND ES, 6 p.m., 65 Sugarland Run Drive, grades kindergarten-fifth. 571-434-4460.
<cal1>Monday/Sept. 15
<cal2>POTOMAC FALLS HS, 7-9 p.m., 46400 Algonkian Parkway, grades ninth-12th. 571-434-3200.
<cal1>Wednesday/Sept. 17
<cal2>RIVER BEND MS, 7 p.m., 46240 Algonkian Parkway, grade six. 571-434-3220.
SENECA RIDGE MS, 6 p.m., 98 Seneca Ridge Drive, spectrum; 6:30 p.m., grades sixth-eighth. 571-434-4420.
STERLING MS, 7 p.m., 201 W. Holly Ave., grade six. 571-434-4520.
<cal1>Thursday/Sept. 18
<cal2>FOREST GROVE ES, 6:30 p.m., 46245 Forest Ridge Drive, grades kindergarten-fifth. 571-434-4560.
<cal1>Monday/Sept. 22
<cal2>DOMINION HS, 6:30 p.m., 21326 Augusta Drive, grades ninth-12th. 571-434-4400.
<cal1>Wednesday/Sept. 24
<cal2>RIVER BEND MS, 7 p.m., 46240 Algonkian Parkway, grades seventh-eighth. 571-434-3220.
STERLING MS, 7 p.m., 201 W. Holly Ave., grades seventh-eighth. 571-434-4520.
<cal1>Monday/Oct. 6
<cal2>ACADEMY OF SCIENCE, 6:30 p.m., 21326 Augusta Drive, all grades. 571-434-4470.