AI Visibility Audit

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Prepared by saigon.digital · April 2026
AI Visibility Audit · April 2026

Singapore International School of Bangkok
AI Search Visibility Report

Parents no longer just search Google — they ask ChatGPT, Gemini and Perplexity which schools to shortlist. This audit shows exactly where SISB stands, who’s winning, and what to do next.

School Singapore International School of Bangkok (SISB)
Domain sisb.ac.th
Sector International School (Singapore / Cambridge / IB)
Market Bangkok, Thailand
Report Date April 2026

Executive Summary

A snapshot of where SISB stands in the AI search era — and the opportunity cost of the current gap.

1 / 4 AI Platforms Citing SISB
DR 37 Domain Authority (Ahrefs)
300 Organic Keywords Ranking
4 / 5 Competitors Winning AI Results

SISB is Thailand’s leading Singapore-curriculum school with 4,000+ students across six campuses, a world-class trilingual programme, and strong IGCSE/IB Diploma pathways — yet when a relocating parent asks ChatGPT, Gemini or Perplexity for the best international school in Bangkok, NIST, ISB, Harrow and Shrewsbury dominate every answer. SISB only surfaces for niche “Singapore curriculum” queries. The education is excellent; the AI narrative doesn’t reflect it.

Critical Gaps Identified

  • 01
    Invisible in General “Best International School Bangkok” Queries When parents ask AI tools for the best international school in Bangkok for expat families, SISB is completely absent. NIST, ISB, Bangkok Patana and Harrow dominate these premium queries — the exact queries that drive admissions decisions. SISB only appears when users specifically ask about “Singapore curriculum” or “trilingual schools.”
  • 02
    Domain Authority Gap vs Premium Competitors SISB’s DR of 37 is solid but lags behind NIST (DR 44), ISB (DR 47), Brighton College (DR 45), and Harrow (DR 42). AI models heavily weight domain authority when deciding which schools to recommend — this 5–10 point gap translates directly into lost AI citations.
  • 03
    Niche Positioning Limits AI Reach SISB is strongly associated with “Singapore curriculum” and “trilingual” queries — but these are low-volume niche searches. The school offers IB Diploma, Cambridge IGCSE, and A-Levels yet doesn’t appear in any of those broader category searches that represent 80% of parent enquiry volume.

AI Platform Audit

We tested how SISB appears when prospective parents ask AI tools to recommend international schools in Bangkok. Here’s what we found.

🤖

ChatGPT

Not Cited

ChatGPT defaults to NIST, ISB, Bangkok Patana, Harrow and Shrewsbury for Bangkok school queries. SISB is not mentioned in top-level recommendations.

🔍

Google AI Overviews

Partial

Appears in niche queries about Singapore curriculum and trilingual schools, but completely absent from broader “best international school Bangkok” AI Overview snippets.

Perplexity

Not Cited

Perplexity’s school recommendations for Bangkok consistently feature NIST, ISB and Harrow. SISB does not appear in general top-school answers.

💎

Gemini

Not Cited

Gemini defaults to premium-tier schools with higher domain authority and UK/US heritage brands. SISB’s Singapore curriculum positioning doesn’t surface in general queries.

Overall AI Visibility Score

1 / 4 platforms currently surface SISB in relevant AI-generated recommendations (Google AIO only, for niche queries).

What AI Platforms Need to Cite You

Category-defining content beyond “Singapore curriculum,” third-party placements on school directory listicles, structured FAQ pages addressing parent queries about IB/Cambridge pathways, and consistent brand signals that position SISB in the premium tier alongside NIST and ISB.

Queries We Tested

We ran the exact searches parents use when asking AI tools to recommend schools in Bangkok. Here’s who appeared — and whether SISB was in the answer.

“best international school Bangkok for expat families IB programme 2025” Google AIO
Appeared: NIST, ISB, Bangkok Patana, KIS, St. Andrews
SISB: Not Cited
“best Singapore curriculum school Bangkok Thailand for children” Google AIO
Appeared: SISB, Anglo Singapore (ASB), Siam Singapore (SSIS), Thai-Singapore
SISB: Cited
“top trilingual international school Bangkok English Chinese Thai” Google AIO
Appeared: TCIS, Concordian, SISB, Siam Singapore
SISB: Partial
“affordable international school Bangkok good academics nursery to secondary” Google AIO
Appeared: Wells, Trinity, St. Andrews, D-PREP, Bangkok Prep
SISB: Not Cited

The Pattern

SISB only surfaces when the query specifically mentions “Singapore curriculum” or “trilingual” — niche categories with low search volume. For the high-volume general “best international school Bangkok” and “affordable international school” queries that 80% of relocating families use, SISB is completely invisible.

The Opportunity

SISB has genuine premium credentials — IB Diploma, Cambridge IGCSE/A-Levels, 6 campuses, 4,000+ students, CIS & NEASC accreditation. Building content that positions SISB across broader categories (not just Singapore curriculum) could dramatically expand AI visibility within 90 days.

Competitor AI Visibility Comparison

These are the schools currently winning AI recommendations in SISB’s market. Understanding why they’re cited — and SISB isn’t — reveals the exact gap to close.

School DR ChatGPT Google AIO Perplexity Why They Win
SISB You 37 Not Cited Partial Not Cited Audit target
NIST International School 44 Cited Appearing Cited Thailand’s first full IB World School. Strong brand narrative, state-of-the-art campus, top university placements.
International School Bangkok (ISB) 47 Cited Appearing Cited Founded 1951 — Thailand’s oldest and most prestigious IS. Massive campus, elite reputation, deep content authority.
Brighton College Bangkok 45 Cited Appearing Partial UK heritage brand (est. 1845). Strong PR, well-marketed new campus, dominates “best British school Bangkok” queries.
Harrow International School 42 Cited Appearing Cited 450+ year UK heritage brand. Boarding + day school, A-Level pathway, unmatched brand authority in Asia-Pacific.
Shrewsbury International School 41 Cited Appearing Partial English National Curriculum + A Levels. Strong riverside campus brand, deep content on academic outcomes.

Badge key: Cited   Partial   Not Cited

“Saigon Digital helped us completely rethink our digital visibility strategy. Within months of working together, our school started appearing in AI-generated recommendations, our organic traffic grew significantly, and the quality of admissions enquiries improved dramatically. They understand where educational discovery is heading and how to position schools to win.”

Simon Mann · Principal, The British Vietnamese International School (BVIS) · Nord Anglia Education · Verified Client

Top 3 Quick Win Opportunities

These are the highest-leverage changes SISB can make right now to start appearing in AI-generated recommendations beyond the Singapore curriculum niche.

Break Out of the Niche — Category Content Strategy

High Impact

Create comparison pages — SISB vs NIST, vs ISB, vs Harrow — each structured with FAQ schema, fee tables and clear parent-facing verdicts. Add cornerstone pages for “Best IB school Bangkok,” “Best international school Bangkok with boarding,” and “Cambridge vs IB vs Singapore curriculum” that position SISB across premium categories, not just the Singapore curriculum niche.

Timeline: 30–45 days

Authority-Building Through Directory Placements

High Impact

Secure prominent placements on iSchoolAdvisor, Doris.school, WhichSchoolAdvisor, International Schools Database, ExpatDen and Keller Henson’s “Best Schools in Bangkok” articles. These are the primary sources AI models use for Bangkok school recommendations. Each listing also builds a high-quality backlink to close the DR gap from 37 toward the 44–47 range of top competitors.

Timeline: 45–60 days

Leverage Multi-Campus Scale as Content Moat

Medium Impact

SISB’s 6-campus network across Thailand is a unique advantage no competitor matches. Build a content hub around “Best international school near [district/city]” for each campus location — Pracha Uthit, Suvarnabhumi, Thonburi, Chiang Mai, Nonthaburi, Rayong — with location-specific FAQ content, transport guides, and parent testimonials to capture geo-specific AI queries.

Timeline: 60–90 days

What Happens Next

This audit shows the problem. We have a clear strategy to fix it — and results typically show within the first 60 days of engagement.

Ready to Become Visible to AI?

SISB has the academic credentials, multi-campus scale, and accreditation to compete with NIST and ISB — but AI platforms don’t know it yet. The DR gap is closeable. The content gap is solvable. We’ve done this for schools across Asia-Pacific. A 30-minute call is all it takes to map out a plan.

01 30-min strategy call
02 Custom GEO growth plan
03 Results in 60 days
Book a Strategy Call →

What’s Included

Full GEO strategy, content plan, authority-building roadmap, and monthly performance reporting — all focused on AI search visibility for prospective parents across all 6 campuses.

Typical Timeline to Results

Most clients start seeing AI citation improvements within 45–60 days. Full competitive parity typically achieved in 90–120 days.

The Cost of Waiting

Every month NIST, ISB, Harrow and Brighton College build more authority signals, the gap widens. AI models are training on content published now — delay compounds the problem.