query: 
  SELECT ?personLabel ?schoolLabel  ?image
  WHERE {
    ?person wdt:P463 wd:Q270794.
    ?person wdt:P21 wd:Q6581072;
            p:P69 [ps:P69 ?school; pq:P512 wd:Q752297].
    OPTIONAL {?person wdt:P18 ?image.}
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    }