A student in the tenth grade of school, typically around 15 or 16 years old.

दसवीं कक्षा का छात्र

English Usage: The tenth-grader excelled in mathematics and was chosen for the advanced program.

Hindi Usage: दसवीं कक्षा का छात्र गणित में उत्कृष्टता प्रदर्शित करता है और उन्नत कार्यक्रम के लिए चुना गया।