This long-standing trend places Washington in line with other states, and it is raising uncomfortable questions. Like the ones that swirled around Nila Griffin at age 12, as she listened to her mother speaking with a teacher during the first parent conference of sixth grade. Nila’s transcripts, from her previous school in California, were covered with 90th-percentile scores. Impressive, her new teacher said. But was Mrs. Griffin certain they were actually her daughter’s?