Analysing Data.

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# Analysing Data. - PowerPoint PPT Presentation

M.Greenaway. Analysing Data. Looking at the use of data to monitor the achievement of pupils and departments. Baseline Data. 12+ Reading Score KS2 or KS3 Mathematics Result Average KS2 or KS3 Result Previous examination result Mathematics NFER test result

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M.Greenaway.

### Analysing Data.

Looking at the use of data to monitor the achievement of pupils and departments.

Baseline Data.

• 12+ Reading Score
• KS2 or KS3 Mathematics Result
• Average KS2 or KS3 Result
• Previous examination result
• Mathematics NFER test result
• BE CONSISTENT AND USE THE SAME DATA OVER A PERIOD OF TIME.
GCSE Grades are converted to figures
• Grade A* = 8
• Grade A = 7
• Grade B = 6
• Grade C = 5
• Grade D = 4
• Grade E = 3
• Grade F = 2
• Grade G = 1

Begin with the Baseline Data

In this case 12+ reading scores

If we compare each students average performance in the 4 subjects with their performance in Maths

If we compare each students average performance in the 4 subjects with their performance in Maths

Student B has a Maths score of 3 and an average of 4 so his Maths score is 1 grade below (Residual = -1)

The total of these residuals is 1

0 + -1 + 0.2 + 0.5 + 0.7 + 0.5 + 0.5 = 1

What Does This Mean?

On average every student achieves 1/7 = 0.14 of a grade higher in Maths than they do in their other subjects.

Although this does not sound very much, if you had a year 11 with 175 students this would correspond to an extra 25 grades which is significant in itself and reflects a strong department.

But at best it could mean 25 students gaining a C in Maths compared to a D in their other subjects - This could make the Maths A* - C result 14% higher than other departments.

Subject A

Average Residual = 0.5

Percentage of C+ Grades = 40%

Subject B

Average Residual = -0.5

Percentage of C+ Grades = 90%

Beware!
• If you achieve above expectations based on the chance tables say from KS3 to GCSE as on previous slide it could mean:
• The department is performing well at KS4
• The department is underperforming at KS3
• You need to use many indicators if you want an accurate picture although you might pick the one that shows you in the best light when promoting your department!
Making Projections
• Looking at the Year 9 SATs results for 2002/3 it can been seen that 62% achieved a level 6 or above.
• All of these students were in the top 68% based on the Year 9 exam.
• 1 person improved from a level 4 to a level 6.
• 78% of those achieving a level 5 in the Year 9 exam achieved a level 6 in the SATs.
• 80% achieved level 5+ in the SATs exam.
Making Projections
• This means that to get 63% achieving level 6+ (which is 61 students) all but 2 of those who got a level 5 in the year 9 exam must get a level 6 which is a 91% success rate. This compares with last years figure of 78%.
• It will not be easy to maintain the 62/63% level 6+ pass rate achieved over the last 2 years but it is a possibility.

M.Greenaway.

### Analysing Data.

Thank you for listening.