Sentence:  One particularly damaging, but often ignored, effect of conflict on education is the proliferation of attacks on <WSD>schools</WSD>...as children, teachers or <WSD>school</WSD> buildings become the targets of attacks. Parents fear sending their children to <WSD>school</WSD>. Girls are particularly vulnerable to sexual violence. 
Meaning of the word marked with <WSD> tags:  An educational institution providing primary and secondary education, prior to tertiary education (college or university).