The hardest decision for a Computer Science graduate who wants to teach is not how to study. It is which exam to aim at. DSSSB, KVS, NVS, EMRS, RSSB, and a spread of state PGT and TGT computer posts all want CS teachers, and picking wrong, on eligibility or on level, can burn a whole cycle before you even sit the paper.
This is a decision framework, not a ranking. It walks you through the four filters that actually narrow the field, eligibility, post level, region, and calendar, and then shows you how to prepare so you keep several options open instead of betting the year on one notification.
Filter 1: eligibility decides where you can even apply
Before anything else, eligibility removes most of the confusion. Qualification, age, and required teaching credentials differ by body and post, and they are non-negotiable filters.
A PGT post generally pitches higher on qualification than a TGT or instructor post.
Some posts expect a teaching credential; others weigh it differently.
Age and category relaxations vary by body.
Every one of these specifics lives in the official notification for the post, and it can change between cycles. Read the eligibility section at the source first, because there is no point preparing for a post you cannot apply to. This single filter usually cuts your list in half.
Filter 2: post level, match depth to the paper
Once eligibility narrows the field, post level tells you how deep to go.
TGT and basic-instructor posts reward solid coverage of the CS fundamentals delivered clearly.
PGT and senior posts ask for more subject depth and sharper competition.
Be honest about your genuine subject depth. A CS graduate comfortable with DBMS, operating systems, and networks at real depth should aim at the higher level; someone still consolidating the fundamentals is better served clearing a foundational post first and building up. Neither choice is wrong; a mismatch is.
Filter 3: region and mobility
Some posts are national in reach; others are tied to a state.
Central options like KVS, NVS, and EMRS can post you across the country, which suits candidates open to relocating.
State posts like DSSSB (Delhi), RSSB (Rajasthan), HPSC (Haryana), and the UP posts keep you in one region, which suits candidates who need to stay put.
Decide how mobile you genuinely are before you invest months. A national post you cannot actually relocate for, or a single-state post when you would move anywhere for a job, both waste options.
Filter 4: the calendar, and why you should not wait
Notifications open on their own schedules, and they do not coordinate. Waiting for your one "ideal" exam usually means sitting idle while three others you were eligible for come and go.
The fix is not to pick harder. It is to prepare so you are ready for whichever opens next. Because the subject core is shared, being ready for one eligible post makes you close to ready for the others, so treat the calendar as a reason to prepare broadly, not to wait narrowly.
Do not over-optimise the choice
Aspirants lose weeks trying to rank exams by "which is easiest" or "which pays best", as if there were a single right answer. There is not. Difficulty depends on your own strengths, and vacancy counts and cutoffs shift every cycle, so a post that looked hard last year can be the open one this year. Chasing the perfect target is how people end up preparing for nothing.
A healthier frame: your goal is not to pick the one exam, it is to become the kind of candidate several exams want. Eligibility and mobility genuinely constrain you, so respect those. Beyond them, the deciding factor is your subject depth, and that improves with study no matter which notification you eventually sit. Pick a first target to give your preparation a shape, then let the shared core keep the rest of the doors open.
A quick decision path
Run your options through this order:
List every post you are eligible for. Cut everything else. (Filter 1.)
Within those, match post level to your real subject depth. (Filter 2.)
Filter by how mobile you actually are. (Filter 3.)
Among what remains, target the next one to open, and keep the shared core warm for the rest. (Filter 4.)
For the side-by-side view of the exams, our Teaching jobs for Computer Science graduates compared hub lays out post levels and coverage in one table. Two worked examples of matching a post to a candidate: a Delhi-based graduate open to a foundational start might target DSSSB and central-school posts together, while a Rajasthan candidate choosing a level would weigh the RSSB Basic and Senior Computer Instructor bundle against their genuine depth.
Prepare so you keep options open
Whichever exam you target first, prepare the shared CS-teaching core to real depth and adapt the general section per exam. That way an eligible notification opening anywhere finds you ready, not scrambling.
The Teaching Recruitment Exams bundle is built for exactly this multi-exam approach, one core that serves several forms, and the full list of posts sits on the government teaching jobs category.
Which teaching CS exam: the short version
Choose in order: eligibility (where you can apply), post level (match depth), region (how mobile you are), then calendar (target the next to open). Do not wait for one ideal exam. Prepare the shared core once, keep several eligible options alive, and confirm every specific on each body's official notification before you commit. The subject you already have; the decision is just discipline about where to point it.