Question:
Where was Princess Eugenie educated in May, 1993?

Context:
 Princess Eugenie attended Marlborough College from Jan, 2003 to Jan, 2008. 
 Princess Eugenie attended Newcastle University from Sep, 2009 to Jan, 2012. 
 Princess Eugenie attended Upton House School from Jan, 1993 to Jan, 1995. 
 Princess Eugenie attended St George's School, Windsor Castle from Jan, 2001 to Jan, 2003.

Answer:
Upton House School