Thursday's deadly hostage-taking by four intruders at an international school in Cambodia has further driven home the need for schools in Japan to assess whether they have taken adequate security measures.
This may be especially important for international schools, which are often viewed as bastions for children from wealthy families.
The deadly massacre of eight children by an intruder at an elementary school in Ikeda, Osaka Prefecture, in June 2001 prompted schools nationwide to scrutinize and bolster their security situation, including international schools.