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ATAR facts &
myths
November 2011
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SESSION OVERVIEW
What is the ATAR?
Who is eligible for an ATAR?
What contributes to the ATAR?
How is the ATAR calculated? Mths and facts
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The Australian Tertiar Ad!ission Ran" # a nu!erical !easure of a student$s o%erall
acade!ic achie%e!ent in the HS& in relation to
that of other students' It$s about (OSITION'
a nu!ber between )')) and **'*+
,onl ATARs abo%e -) are re.orted/
intended for use b uni%ersities to ran" and select school lea%ers for ad!ission to uni%ersit
WHAT is the ATAR?
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WHO is eligible for an ATAR?To be eligible for an ATAR ou !ust satisfactoril
co!.lete at least 0) units of ATAR courses
including at least1 eight units of &ategor A courses
two units of English
three courses of two units or greater four sub2ects
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WHAT contributes to the ATAR?
The ATAR is based on an aggregate of scaled !ar"s in
0) units of ATAR courses co!.rising1
# the best two units of English
# the best eight of the re!aining units3 which can include u. to two units of &ategor 4 courses
Mar"s can be accu!ulated o%er a fi%e#ear .eriod3 but if
a course is re.eated3 onl the latest satisfactor atte!.t
is used in the ATAR calculation' A scaled !ar" is calculated the ear the course is
co!.leted'
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HOW is the ATAR calculated?STAGE 5
Truncate to
nearest .05
STAGE 1
controlling for
competition
STAGE 4
Year 7
percentiles
STAGE 2
determiningthe aggregate
STAGE 3
Year 12
percentiles
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Stage 0 5 controlling for co!.etitionFor each course, examination marks and moderatedassessments are averaged to roduce a raw mark, !hich ischanged into a scaled mark.
"ca#ed marks are marks students !ou#d receive if a## the course
candidatures !ere the same$
The scaling algorith! starts fro! the .re!ise that a student$s .osition in a
course de.ends on1
# how good he6she is in that course3 and
# the strength of the co!.etition'
Scaling controls for the strength of co!.etition
Exam mark
Moderated
assessment mark
Ra mark !caled mark
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Stage 7 5 deter!ining the aggregate
For each student an aggregate mark is formed byadding together the sca#ed marks of%
the best t!o units of 'ng#ish
the best eight units from the student(s remainingcourses,
)no more than t!o units from *ategory + courses can beinc#uded
Aggregate
0 unit
,English/0 unit
,English/0 unit 0 unit 0 unit 0 unit 0 unit 0 unit 0 unit 0 unit
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Stage - 58ear 07 .ercentiles
0+) 7)) 7+) -)) -+) 9)) 9+)
A## -ear 12 students !ho are e#igib#e for an ATAR areranked on the basis of their aggregates$ ATARe#igib#eercenti#es, !hich sho! the osition of studentsre#ative to their ATAR cohort, are then determined for
these aggregates$
A T A R
# e l i g i b l e . e r c e n t i l e
Aggregate
*:':
*)':
;;')
+*':
97'0
7<'-
0-'0
(77% of the 2010 ATAR cohort received an aggregate mark of 350 or less)
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.n 2010, / 221 studentsreceived an ATAR out ofaroximate#y 0 000students !ho started -ear !ith them$
To make N"3 ATARscomarab#e to ATARsca#cu#ated in other states,students( ositions re#ative tothe T4TA5 -ear cohort,inc#uding those !ho #eftbefore -ear 10 and those -ear12 students !ho !ere note#igib#e for an ATAR, areca#cu#ated$
Stage 9 5 8ear ; .ercentiles
8 e a r ; . e r c e n
t i l e
8ear 07 .ercentile
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Stage + 5 deter!ining the ATARS
3hen the osition of each student re#ative to the fu## -ear
cohort has been determined, the 6na# ste is to truncatethese ercenti#es to the nearest 0$0/, starting at 77$7/$
8ere are some exam#es from the 2010 ca#cu#ations$
ATAR Range of .ercentiles =owest aggregate
**'*+ **'*+0#**'*** 9;<'7
**'+) **'+)0#**'+9* 9++'7**')) **'))0#**')9* 999':
*:')) *:'))0#*:')9* 9-)')
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Mth or >act?
. can study certain sub9ects )such as 'xtension:aths and ;hysics to maximise my
ATAR$ M Y T
"
#$ % T
The on#y !ay you can maximise your ATAR isby achieving the highest ossib#e assessmentranks and exam marks in a## the courses youstudy$ -ou can achieve high 8"* marks
and a high ATAR regard#ess of the courses youstudy or the schoo# you attend$
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Mth or >act?
.f . am studying 11 units, the sing#eunitcourse !on(t be counted in my ATARca#cu#ation$
M Y T "
#$ % T
A## your courses are converted to sing#e units,and the best units )after your best 2 units of'ng#ish are used to ca#cu#ate your ATAR$
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Mth or >act?
. !i## get a higher ATAR if . study Advanced'ng#ish than . !i## if . study "tandard 'ng#ish$ M Y T
"
#$ % T
-our ATAR is determined by your ;4".T.4N inthe courses you study$ .t is ossib#e to achievehigh 8"* marks and a high ATAR regard#ess of
your choice of courses$
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Mth or >act?
. can !ork out my ATAR from my tria# or 8"*marks$ M Y T
"
#$ % T
The ATAR is about osition, and even high 8"*marks don(t necessari#y mean a high ositionand therefore a high ATAR$
Fred and 5aura(s resu#ts sho! the #argedi<erence in ATARs arising from much sma##erdi<erences in 8"* marks$
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&ourse HS& !ar" (ercentile HS& !ar" (ercentile
4iolog ;) -: :) ;)
4usiness Studies ;) -+ :) <<
English Ad%anced ;) * :) 9;
Mathe!atics ;) 7; :) ++
Modern Histor ;) 7+ :) =2
Visual Arts ;) 0+ :) +9
$T$R 57.05 &0.15
>red and =aura
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>urther infor!ation
www'uac'edu'au6undergraduate6atar6
Re.ort on the Scaling of the 7)0)NSW Higher School &ertificate
The Australian Tertiar Ad!ission
Ran" in NSW 5 A technical re.ort