Simplify the following text for a Grade 9 native English-speaking person.
Original: At this time all high schools in Lowestoft will become 11-16 schools with post-16 provision at Lowestoft College or Lowestoft Sixth Form College in Pakefield .
Simplified: When flint tools were discovered at Pakefield in south Lowestoft in 2005 , the human habitation of the Lowestoft area could be traced back 700,000 years . This means Lowestoft is one of the earliest known sites for human habitation in the United Kingdom .