Keller ISDPlumbing problems at Fossil RidgeSeveral science classrooms at Fossil Ridge High School were evacuated April 2 after a waste pipe broke, leaking waste water and a foul odor into a science lab. Work crews repaired the broken pipe and Fort Worth Fire Department officials checked the area to ensure student safety, said Bryce Nieman, district spokesman. Students worked in other rooms for the rest of the day and were able to return to their regular rooms the next day. Pedestrian accidentA student at Keller High School was struck by a car while crossing Pate Orr Road during dismissal March 24. The girl was transported by ambulance to the hospital where she was treated and released. She spent several days recovering at home before returning to school, district officials said. 2014-15 School CalendarKeller trustees approved the 2014-15 school calendar at the March 27 board meeting. The first day of school is Aug. 25 and the last day is June 5. District-wide holidays will occur on Sept. 1, Nov. 24-28, Dec. 22 to Jan. 2, Jan. 19, March 9-13 and May 25. Student holidays that are teacher work days include Oct. 13, Nov. 10 and Jan. 5. Holidays designated as bad weather makeup days are Feb. 16 and April 6. Northwest ISD Night of No LimitsThe Northwest School district will present the second annual Night of No Limits on May 29 at Byron Nelson High School, 2775 Bobcat Boulevard in Trophy Club. Students K-12 will present their projects. Families can engage in interactive exhibits from Dallas’s Perot Museum. CBS 11’s Jeff Jamison will showcase the Mobile 11 Storm Chasing vehicle.