Help Center

Find answers to common questions, learn about our platform, and get the support you need to make the most of Collinear.

Frequently Asked Questions

How accurate is the AI grading?

Our AI grading system achieves over 95% accuracy when compared to human graders. The system is continuously trained on a diverse dataset of student work and validated by expert educators.

What file formats are supported?

We support PDF, JPG, PNG, and HEIC formats for handwritten work.

How long does it take to grade assignments?

Most assignments are graded within seconds. For batch processing of large classes, it typically takes 1-2 minutes per 30 submissions.

Can I customize the grading rubrics?

Yes, you can create and customize rubrics for different types of assignments.