An Initiative Under The National Scientific Assessment Test (NSAT)

National Level Science Olympiad

NLSO helps students discover where they stand in scientific understanding, reasoning, application, and interpretation through the Scientific Aptitude Index (SAI).

Explore the full NLSO 2026 journey
Students collaborating during a learning session
Science lab equipment for hands-on learning
Classroom learning and assessment preparation
Future-ready science and discovery visual

Public Notices

Latest NLSO 2026 updates.

Breaking Update

NLSO 2026 registration and notice board

Official circulars, registration announcements, milestone alerts, and public communication for the current Olympiad cycle.

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Benefits

Free Mock Test and Psychometric access announced

Highlight the free readiness benefits early so visitors understand the value before they decide to register.

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Preparation

Previous Year Papers add-on available

Make the Rs. 100 previous-year-paper add-on easy to discover from the homepage, Olympiads page, and resources flow.

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Why Participate

Why students choose NLSO.

Scientific Aptitude Index
SAI benchmark

Scientific Aptitude Index

Know scientific aptitude, not just marks.

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Concept-first Olympiad
Academic depth

Concept-first Olympiad

Questions reward clarity, application, and reasoning.

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Free Mock Test
Practice support

Free Mock Test

Practice early and enter the main cycle with confidence.

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Free Psychometric Test
Learner insight

Free Psychometric Test

See learner strengths beyond marks alone.

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Quick Registration Steps

A clear path from finding NLSO to signing up.

1. Explore the brochure
Step 1

1. Explore the brochure

Understand the Olympiad, benefits, and next steps.

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2. Check dates
Step 2

2. Check dates

Confirm registration windows and milestone notices.

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3. Register
Step 3

3. Register

Move into the application flow with clarity.

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4. Prepare
Step 4

4. Prepare

Use mock tests, insights, and resources after signup.

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Trust And Credibility

A structured academic experience.

  • Clear for schools, students, and parents
  • Built around concepts, analysis, and readiness
  • Dates, notices, and registration support together
  • One public journey from discovery to results
Academic trust

Preparation support

Syllabus guidance and resources linked to real participation needs.

Authority signal

Assessment language

Reasoning, readiness, and learner growth stay central.

Clarity signal

Public proof points

Notices, dates, answer keys, and results stay visible.

Ecosystem trust

Connected support

Olympiads, mock tests, insights, and resources work together.

Assessment Pathways

Explore NLSO pathways.

National Level Science Olympiad
Flagship pathway

National Level Science Olympiad

Schedules, notices, preparation, and results.

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Scientific Aptitude Index
SAI benchmark

Scientific Aptitude Index

A standardized score for scientific thinking beyond raw marks.

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Mock Tests
Preparation pathway

Mock Tests

Free practice to understand format and readiness.

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Psychometric Test Lab
Insight pathway

Psychometric Test Lab

Learner insight that complements academic performance.

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Important Dates

Important dates at a glance.

01 May 2026

NLSO registration window opens

Registration milestone

Schools and learners can begin the current NLSO registration flow, brochure review, and preparation planning under NSAT.

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01 Sep 2026

Free Mock Test access opens

Readiness milestone

Visitors can begin with the free mock-test layer before the main cycle to understand format, expectations, and weak areas.

Explore Mock Tests
25 Jul 2026

Priority submission window closes

Submission milestone

Keep registration and submission deadlines visible through public schedule records so learners and schools know exactly what comes next.

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07 Oct 2026

NLSO 2026 Exam starts

Assessment milestone

The main assessment phase goes live with notices, result tracking, and answer-key follow-up routed through the public site.

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Resources And Support

Quick resources.

Syllabus and preparation resources

Find syllabus guidance and preparation support aligned with the conceptual and analytical expectations of NLSO.

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Public notices and circular archive

Browse public notices, circulars, and official communication related to NLSO and NSAT.

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Previous Year Papers Add-on

Access the previous-year-paper support add-on at Rs. 100 as part of a clearer NLSO preparation journey.

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NLSO 2026 Poster

NLSO 2026 Poster

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School Information Brochure

NLSO 2026

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Offline Registration Form 2026

ScienceX NLSO 2026 Registration form

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NLSO Winners

Celebrate students whose science journey deserves the spotlight.

Featured achievers, rank holders, school toppers, and recognized NLSO performers can be highlighted here with photographs.

Latest News

Explore the latest ScienceX articles, Olympiad guidance, and academic updates.