1. National Institute of Open Schooling (NIOS) , Govt. of India

2. Board of Open Schooling and Skill Education, Govt. of Sikkim

MADHYAMIK (Secondary Course) : This Course is equivalent to the 10^th standard. You can choose subjects from the Scheme of Studies given in Table-. However, you will be required to successfully complete a minimum of five subjects with at least one language or at most two languages, which is compulsory for certification.

Subject Offered : Group-A
Hindi(201), English(202), Bengali(203), Marathi(204), Telugu(205), Urdu(206), Gujarati(207), Kannada(208), Sanskrit(209), Punjabi(210), Assamese (228),Nepali(231), Malayalam(232), Odia(233), Arabic (235),Persian (236), Tamil (237),Sindhi (238)

Group-B
*Mathematics(211),*Science and Technology(212), Social Science(213), Economics(214), Business Studies(215), *Home Science(216), *Data Entry Operation(E)(229), Psychology (222), Indian Culture & Heritage (223), *Painting (225),*Data Entry Operations (229), Accountacy (224),*Hindustani Music (242),*Carnatic Sangeet(243)

HS (Senior Secondary Course) :

This Course is designed for those who have passed the 10^th  standard or equivalent examination from a recognised Board and would like to continue their education towards a Senior Secondary Certification, equivalent to XII standard.

Your can choose subjects from the Scheme of Studies given in Table. However, you will be required to successfully complete a minimum of five subjects with at least one language or at most two languages, which is compulsory for Certification.

Group-A
Hindi(301), English(302), Bangla (303), Tamil (304), Odia (305), Urdu(306), Gujarati (307), Sanskrit (309), Punjabi (310)
Group-B
Mathematics(311), *Home Science(321), Psychology(328), *Geography(316), Economics(318), Business Studies(319), *Painting (332), *Data entry Operation(336)

Indian Knowledge Tradition#

Veda Adhyan#(345),Sanskrit Vyakaran#(346),Bharatiya Darshan#(347),Sanskrit Sahitya#(348)

Group-C
*Physics(312), History(315), *Library and Information Sc.(339),  *Enviornmental Science(333),
Group-D
* Chemistry(313), Political Science(317),*Mass Communication (335),Military Studies(374)
Group-E
*Biology(314), Accountancy(320),*Introduction to Law (338),Military History(375),

Group-F
*Computer Science(330), Sociology(331),  Tourism(337),*Physical Education and Yog(373)
Learner can opt only one subject from each of Group C,D,E and F