Hello,

Yes if your son will appear in class 10th in 2026, the he would be eligible to appear for the same, as by then he would turn 14+, as the minimum age limit to appear for CBSE class 10th board exam is 14 years, that means the candidate must have completed 14 years of age as on 31st December of the year of examination, there is not any maximum age limit to appear for CBSE class 10th board exam.

For more relevant information, you may visit here:
https://school.careers360.com/exams/cbse-class-10th


Hope this helps, all the best.