 The vast majority of pupils at Carre 's continue on to the Sixth Form , and there were 240 students on roll in 2013 . Along with St George 's Academy , Carre 's is part of the Sleaford Joint Sixth Form , which was founded in 1983 and included Kesteven and Sleaford High School until it withdrew in 2010 . It provides a common timetable across both sites and allows for pupils to choose from A @-@ Level options offered at both schools . Pupils may apply to be based at either school , where their pastoral and tutorial activities take place . There are entry requirements based on GCSE attainment . Sixth Formers can be selected to be prefects , who have responsibilities around the school under the supervision of staff ; they are headed by a Head Boy and Girl . The students are required to wear business @-@ dress ; for males , this consists of a dark suit , a " non @-@ vivid " shirt and the school 's sixth form tie ; females must dress in " smart business wear " . 
 The vast majority of pupils at Carre <a href='null_genetive' title='1'><mark>'s</mark></a>continue on to the Sixth Form , and <a href='dey_it' title='2'><mark>there</mark></a> <a href='uninflect' title='3'><mark>were</mark></a> 240 students on roll in 2013 . Along with St George <a href='null_genetive' title='4'><mark>'s</mark></a>Academy , Carre <a href='null_genetive' title='5'><mark>'s</mark></a><a href='drop_aux' title='6'><mark>is</mark></a>part of the Sleaford Joint Sixth Form , which was founded in 1983 and included Kesteven and Sleaford High School until it withdrew in 2010 . It <a href='uninflect' title='7'><mark>provides</mark></a> a common timetable across both sites and <a href='uninflect' title='8'><mark>allows</mark></a> for pupils to choose from A @-@ Level options offered at both schools . Pupils may apply to be based at either school , where their pastoral and tutorial activities take place . <a href='dey_it' title='9'><mark>There</mark></a> are entry requirements based on GCSE attainment . Sixth Formers can be selected to be prefects , <a href='null_relcl' title='10'><mark>who</mark></a><a href='got' title='11'><mark>have</mark></a> responsibilities around the school under the supervision of staff ; they are headed by a Head Boy and Girl . The students are required to wear business @-@ dress ; for males , this <a href='uninflect' title='12'><mark>consists</mark></a> of a dark suit , a " non @-@ vivid " shirt and the school <a href='null_genetive' title='13'><mark>'s</mark></a>sixth form tie ; females must dress in " smart business wear " . 
The vast majority of pupils at Carre  continue on to the Sixth Form , and it was 240 students on roll in 2013 . Along wid St George  Academy , Carre  part of da Sleaford Joint Sixth Form , which was founded in 1983 and included Kesteven and Sleaford High School until it withdrew in 2010 . It provide a common timetable across both sites and allow for pupils to choose from A @-@ Level options offered at both schools . Pupils may apply to be based at either skoo , where their pastoral and tutorial activities take place . It is entry requirements based on GCSE attainment . Sixth Formers can b selected to bbprefects , got responsibilities around tdaschool under thdaupervision of staff ; they are headed by a Head boi and gurl . Thedaudents are required to wear business @-@ dress ; for males , this consist of a dark suit , a " non @-@ vivid " shirt and the school  sixth form tie ; females must dress in " smart business wear " .