Beginning July 11, 2021, was the start of 1 238 days when concrete.k12.wa.us passed 1 accessibility tests. Concrete.k12.wa.us consistently has shown functionality 1 times, with the latest recorded uptime on July 11, 2021, resulting in a code 200. No occurrences of concrete.k12.wa.us being down were detected during the inspections conducted as of November 30, 2024. As of November 30, 2024, it has been reported that all received responses are free from errors. On July 11, 2021, 6.989 seconds was concrete.k12.wa.us's response time, while 6.989 seconds is the average.