Many Grade 11 learners search for how to calculate SBA mark Grade 11 because the system can feel confusing. Reports show one number, but most learners do not know how teachers arrived at that final School Based Assessment mark. This page gives a simple guide on how to calculate SBA mark Grade 11 in South Africa, including how to calculate SBA mark Grade 11 term 3 and how to calculate SBA mark Grade 11 term 4. Everything is explained in clear steps that you can follow at home.
There is also a free SBA calculator on this page that lets you enter your task marks and see your actual SBA instantly. This makes it easy for you to track your progress during the year and understand whether you are on the right path for promotion.
Grade 11 SBA Calculator for All Terms
Enter each assessment for Term 1 to Term 4. For each item, capture: Mark Achieved, Out Of, and the Weight % that item counts for within that term. The calculator totals each term’s SBA and then applies your term weights to produce the final SBA.
Term 1
Term 2
Term 3
Term 4
Term Weights
Set how much each term counts toward the Final SBA. Many schools use even weights, but this can differ by subject.
Results
Term 1 SBA: 0.00%
Term 2 SBA: 0.00%
Term 3 SBA: 0.00%
Term 4 SBA: 0.00%
Final SBA (weighted): 0.00%
Tip: If your subject uses a Practical Assessment Task or different term structures, keep using this tool. Enter the correct item weights inside each term so that the term total reflects your school’s breakdown.
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What SBA Means in Grade 11
SBA means School Based Assessment. This is the mark that comes from the tasks you complete during the school year. SBA is separate from the final November exam. It shows your continuous performance and your commitment to the work during each term.
SBA includes tasks like:
- Class tests
- Assignments
- Oral tasks
- Presentations
- Practical tasks
- Investigations
- PATs for subjects that require them
Each subject has a different list and weighting for these tasks.
Why SBA Matters in Grade 11
SBA normally counts twenty five percent of the final Grade 11 mark. The November exam counts the other seventy five percent. This means your SBA can help you a lot when the exam is difficult, because a strong SBA can lift your final mark. At the same time, ignoring SBA tasks can pull your final mark down even if you perform well in the exam.
SBA is also important because:
- It teaches you consistency
- It prepares you for Grade 12
- It can show your strengths during the year
- Promotion decisions consider both SBA and exams
What Counts As SBA Tasks in Grade 11
Although the tasks differ per subject, these are the most common SBA tasks:
- Term tests
- Project or assignment
- Oral or prepared speech
- Case study
- Practical investigation
- PAT (for subjects like CAT, Hospitality, Tourism, Engineering Graphics and Design)
- Controlled test in Term 3 and Term 4
The teacher records all these tasks during the year.
How SBA Is Calculated Step By Step
Understanding how to calculate SBA mark Grade 11 is simple once you know the steps. The key is to look at the percentage and the weight of each task.
Step 1: Collect all your SBA task marks
Get the actual marks and the totals from your teacher.
Example:
Test: 32 out of 50
Assignment: 18 out of 20
Oral: 28 out of 40
Step 2: Convert each task into a percentage
Test: 32 ÷ 50 × 100 = 64 percent
Assignment: 18 ÷ 20 × 100 = 90 percent
Oral: 28 ÷ 40 × 100 = 70 percent
Step 3: Apply the weighting for each task
Each subject gives a certain value to each task. For example:
Test: weight 40 percent
Assignment: weight 30 percent
Oral: weight 30 percent
Multiply each percentage by the weight.
Step 4: Add all the weighted results
This gives you your raw SBA mark.
Step 5: This total becomes your official SBA mark
Your teacher enters it into the school system.
Example: How to Calculate SBA Mark Grade 11 Term 3
Imagine your subject has three Term 3 tasks:
- Task 1: 50 percent
- Task 2: 70 percent
- Task 3: 60 percent
Weights:
- Task 1: 30 percent
- Task 2: 40 percent
- Task 3: 30 percent
Calculation:
- Task 1: 50 × 0.30 = 15
- Task 2: 70 × 0.40 = 28
- Task 3: 60 × 0.30 = 18
Total SBA for Term 3 = 15 + 28 + 18 = 61 percent
This is how to calculate SBA mark Grade 11 term 3.
Example: How to Calculate SBA Mark Grade 11 Term 4
Term 4 usually includes a large controlled test. Here is a simple example:
- Controlled test: 45 out of 100 = 45 percent
- Assignment: 24 out of 30 = 80 percent
Weights:
- Controlled test: 70 percent
- Assignment: 30 percent
Calculation:
- Controlled test: 45 × 0.70 = 31.5
- Assignment: 80 × 0.30 = 24
Term 4 SBA = 31.5 + 24 = 55.5 percent
How SBA Combines With Your Final Exam Mark
Most Grade 11 subjects use this formula:
- SBA = 25 percent
- Final November exam = 75 percent
Example:
- SBA: 60 percent
- Exam: 50 percent
Final mark:
- SBA contribution: 60 × 0.25 = 15
- Exam contribution: 50 × 0.75 = 37.5
Promotion mark = 15 + 37.5 = 52.5 percent
Common Mistakes Learners Make With SBA
Learners often lose marks because of simple mistakes like:
- Missing tasks
- Ignoring weightings
- Thinking every task counts the same
- Failing to calculate their marks during the year
- Not tracking progress
- Assuming they can fix everything in Term 4
Understanding your SBA early prevents stress later in the year.
How Teachers Calculate SBA Behind the Scenes
Teachers follow a structured method:
- Convert raw marks into percentages
- Apply subject weightings
- Record all tasks on SA-SAMS or CEMIS
- Standardise marks if needed
- Submit the final SBA for moderation
This ensures that every learner’s marks follow the same rules.
Simple SBA Calculator You Can Use Now
You can calculate your SBA with a quick method:
- Add all your percentages
- Divide by the number of tasks
- Compare with the weighted method for accuracy
This gives you a close estimate of your real SBA.
Important Rules About SBA From CAPS
- SBA tasks are compulsory
- If you miss a task, the school must record the reason
- Zero marks cannot be given without evidence
- No SBA task can be replaced by exam marks
- Schools follow a strict policy for re-assessments
These rules apply in every South African school.
Frequently Asked Questions
How to calculate SBA mark Grade 11?
Use your task percentages and apply the subject weightings, then add the results.
Does SBA count in Grade 11?
Yes. It normally counts twenty five percent of your final promotion mark.
How many SBA tasks are in Grade 11?
It depends on the subject, but most have between four and seven tasks for the year.
Why is my SBA lower than my class mark?
Your class mark did not use the official subject weighting. SBA always uses weightings.
Can I fix my SBA in Term 4?
Only if your subject has remaining tasks. Most of the SBA is completed in the first three terms.
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