Schools islandwide restricted outdoor activities and had to rethink post-examination activities and training or revert to wet-weather programmes. The Singapore Sports School's swim team had to cut back on training when the haze reached unhealthy levels even though they were in the midst of various international competitions.[55] The Ministry of Education recommended that schools suspend all outdoor activities when the PSI reading passes 100, but some schools chose to move indoors regardless of the PSI.[56]