On September 1, a major policy was to reduce the burden on primary and secondary school students!! On September 1, a major policy was to reduce the burden on primary and secondary school students!! On September 1, a major policy was to reduce the burden on primary and secondary school students!! On September 1, a major policy was to reduce the burden on primary and secondary school students!! On September 1, a major policy was to reduce the burden on primary and secondary school students!! On September 1, a major policy was to reduce the burden on primary and secondary school students!! On September 1, a major policy was to reduce the burden on primary and secondary school students!!