New Formula for Calculating Percentile Score BISE

Last Updated on March 21, 2026 by Galaxy World

According the new policy the formula for calculating percentile is given below for the students of BISE:

 

Formula for Calculating Percentile Relative Grading System

 

 

Percentile Score =       Marks Obtained by Candidate * 100

Maximum Marks Obtained in Subject

 

The letter Grades & Corresponding Percentile Scores are as under:

 

S.No	Boundaries of Score	Letter Grades
1	90-100	A+
2	87-89	A
3	82-86	B+
4	77-81	B
5	70-76	C+
6	60-69	C
7	50-59	D+
8	40-49	D
9	33-39	E
10	32 & Below	Less than 33%

 

Description for Relative Grading System

 

• 90-100 means ‘A+’ grade is given to candidates who secured percentile score which is greater

than or equal to 90

• 87-89 means ‘A’ grade is given to candidates who secured percentile score which is greater than

or equal to 87 and less than 90

• 82-86 means ‘B+’ grade is given to candidates who secured percentile score which is greater

than or equal to 82 and less than 87

• 77-81 means ‘B’ grade is given to candidates who secured percentile score which is greater than

or equal to 77 and less than 82

• 70-76 means ‘C+’ grade is given to candidates who secured percentile score which is greater

than or equal to 70 and less than 77

• 60-69 means ‘C’ grade is given to candidates who secured percentile score which is greater than

or equal to 60 and less than 70

• 50-59 means ‘D+’ grade is given to candidates who secured percentile score which is greater

than or equal to 50 and less than 60

• 40-49 means ‘D’ grade is given to candidates who secured percentile score which is greater than

or equal to 40 and less than 50

• 33-39 means ‘E’ grade is given to candidates who secured percentile score which is greater than

or equal to 33 and less than 40

• 32 & Below means less than 33%