CROSS JOIN (SELECT districtID FROM District WHERE NUMBER = 066105) D
WHERE PP.participationID IS NULL
--... CROSS JOIN (SELECT districtID FROM District WHERE number = 066105) D
WHERE PP.participationID IS NULL
--E... CROSS JOIN (SELECT districtID FROM District WHERE NUMBER = 066105) D
WHERE PP.participationID IS NULL
--... 1
JOIN School S ON S.schoolID = C.schoolID AND S.number IN (4020, 3000)
LEFT JOIN Transportation T ON T.p