ABCDEFGHIJKLMNOPQRS
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BoundariesThese boundaries are based on the mean plus 1.25 standard deviations for past papers. (Year to year boundaries are not normally distributed) Note:+1.25s is 90% confindenceScaling toolUse this tool to generate boundaries for tests that do not follow the IB format Place the total marks for each section into the white boxes below to generate scaled test boundaries
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Biology HLMarks
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76543217654321
5
Paper 13530251915110Paper 12320171411960
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4088%75%62%48%37%28%0%
7
Paper 25746362619100Paper 239312520141050
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7279%64%50%36%27%14%0%
9
Paper 3383226201480Paper 345383226201480
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4584%71%58%45%32%17%0%
11
IA20171411740IA (or lab activities)2420171411740
12
2483%71%58%46%29%17%0%
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Overall8167544028160Overall13110891735640230
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10081%67%54%40%28%16%0%
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16
Biology SLMarks
17
76543217654321
18
Paper 1262319151280Paper 10000000
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3087%75%63%51%39%27%0%
20
Paper 2383125191470Paper 20000000
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5076%62%50%38%28%14%0%
22
Paper 3282420161260Paper 30000000
23
3581%69%58%47%34%18%0%
24
IA20171411740IA (or lab activities)2420171411740
25
2483%71%58%46%29%17%0%
26
Overall7664524128150Overall2420171411740
27
10076%64%52%41%28%15%0%
28
29
Chemistry HLMarks
30
76543217654321
31
Paper 13531272317110Paper 130262320171380
32
4088%77%67%57%42%28%0%
33
Paper 27262514131160Paper 251413529231890
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9080%69%57%46%35%18%0%
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Paper 3342925201580Paper 335262319161260
36
4576%64%56%44%33%18%0%
37
IA20171411740IA (or lab activities)2420171411740
38
2483%71%58%46%29%17%0%
39
Overall7867564533180Overall14011498826749270
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10078%67%56%45%33%18%0%
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Chemistry SLMarks
43
76543217654321
44
Paper 1252219161280Paper 130252219161280
45
3085%74%63%53%40%27%0%
46
Paper 2393328221580Paper 250393328221580
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5078%66%55%43%30%16%0%
48
Paper 3252118141050Paper 3118764320
49
3571%60%51%40%29%14%0%
50
IA20171411740IA (or lab activities)2420171411740
51
2483%71%58%46%29%17%0%
52
Overall7664544229160Overall1159177655236200
53
10076%64%54%42%29%16%0%
54
55
Physics HLMarks
56
76543217654321
57
Paper 12926221915110Paper 10000000
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4073%64%55%47%38%28%0%
59
Paper 25847393020100Paper 23019161310730
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9064%52%43%33%22%11%0%
61
Paper 3332925211370Paper 30000000
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4573%64%55%47%30%16%0%
63
IA20171411740IA (or lab activities)0000000
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2483%71%58%46%29%17%0%
65
Overall7059493926150Overall3019161310730
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10070%59%49%39%26%15%0%
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68
Physics SLMarks
69
76543217654321
70
Paper 1191714121080Paper 100000000
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3063%57%47%40%33%27%0%
72
Paper 2342721161050Paper 2241613108520
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5067%54%42%31%20%10%0%
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Paper 3252118141050Paper 300000000
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3571%61%51%41%28%14%0%
76
IA20171411740IA (or lab activities)00000000
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2483%71%58%46%29%17%0%
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Overall6656453524130Overall246543210
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10066%56%45%35%24%13%0%
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