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K-12 Schools Email List in Japan

SphereScout lists 57,000+ k-12 schools in Japan (October 2026 snapshot). Of these, 4,400+ (7.8%) have an email address, 52,000+ (92.7%) have a phone number, 48,000+ (85.2%) have a website, and 15,000+ (27%) have a mobile number.

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5,500+ Email addresses · CSV/Excel · ≈ €0.061 per email

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Last update: October 2026File type: CSV/Excel

How many k-12 schools are there in Japan?

Source: SphereScout Data Lab, snapshot of . About this data

SphereScout indexes 57,000+ public business listings categorized as K-12 Schools in Japan. 4,000+ businesses (7.8%) have at least one email address; 52,000+ (92.7%) have at least one phone number. 15,000+ (27%) have a mobile number.

Where these listings are concentrated

  • Tokyo To5,500+10.3% of this dataset
  • Osaka Fu3,500+6.6% of this dataset
  • Kanagawa Ken3,000+5.8% of this dataset
  • Aichi Ken3,000+5.4% of this dataset
  • Saitama Ken2,500+5.2% of this dataset
  • Hyogo Ken2,500+4.7% of this dataset
  • Chiba Ken2,500+4.6% of this dataset
  • Hokkaido2,500+4.5% of this dataset
Show all 47 regions
  • Fukuoka Ken1,500+ (3.4%)
  • Ibaraki Ken1,500+ (2.7%)
  • Shizuoka Ken1,000+ (2.2%)
  • Hiroshima Ken1,000+ (2.2%)
  • Nagano Ken1,000+ (2.1%)
  • Miyagi Ken1,000+ (2%)
  • Kyoto Fu1,000+ (2%)
  • Tochigi Ken1,000+ (1.9%)
  • Niigata Ken1,000+ (1.8%)
  • Gumma Ken1,000+ (1.8%)
  • Okinawa Ken800+ (1.5%)
  • Gifu Ken800+ (1.5%)
  • Fukushima Ken800+ (1.5%)
  • Mie Ken700+ (1.4%)
  • Okayama Ken700+ (1.3%)
  • Iwate Ken700+ (1.3%)
  • Aomori Ken700+ (1.3%)
  • Kumamoto Ken600+ (1.2%)
  • Ishikawa Ken600+ (1.2%)
  • Nara Ken600+ (1.2%)
  • Shiga Ken600+ (1.2%)
  • Kagoshima Ken600+ (1.1%)
  • Yamagata Ken600+ (1.1%)
  • Toyama Ken600+ (1.1%)
  • Yamaguchi Ken600+ (1.1%)
  • Nagasaki Ken600+ (1.1%)
  • Ehime Ken500+ (1%)
  • Yamanashi Ken500+ (1%)
  • Akita Ken500+ (1%)
  • Oita Ken400+ (0.9%)
  • Kagawa Ken400+ (0.8%)
  • Wakayama Ken400+ (0.8%)
  • Miyazaki Ken400+ (0.8%)
  • Fukui Ken300+ (0.7%)
  • Tokushima Ken300+ (0.6%)
  • Saga Ken300+ (0.6%)
  • Shimane Ken300+ (0.6%)
  • Kochi Ken200+ (0.5%)
  • Tottori Ken200+ (0.5%)
Public business listings
57,000+
Businesses with email
4,000+ (7.8%)
5,500+ email addresses in total. Some businesses list several.
Businesses with phone
52,000+ (92.7%)
57,000+ phone numbers in total. Some businesses list several.
Businesses with a mobile phone
15,000+ (27%)
14,000+ mobile numbers and 42,000+ landlines in total.

These figures describe SphereScout's current coverage of public business listings in Japan. They are not an official count of every business or licensed professional. Records marked permanently closed are excluded.

Sample Preview

Preview the exact data you'll receive.

CompanyLocationPhoneEmail
オンライン 個別指導塾 anyTAim81 7 ** ** 93i***@g***.com
公文式喜沢教室Toda, Saitama Ken81 4 ** ** 11i***@a***.com
エリート日本語学校Shinjuku, Tokyo To81 3 ** ** 50i***@e***.com
青森県自治研修所Aomori, Aomori Ken81 1 ** ** 11j***@p***.jp
ステモン那須塩原校Nasushiobara, Tochigi Ken81 2 ** ** 94s***@4***.jp
ラーニングセンターSuginami, Tokyo To81 3 ** ** 05i***@r***.jp
Hida High SchoolTakayama, Gifu Ken81 5 ** ** 75c***@g***.jp
Hitachi Daiichi High SchoolHitachi, Ibaraki Ken81 2 ** ** 88t***@h***.jp
Maruta Elementary SchoolKasugai, Aichi Ken81 5 ** ** 11m***@k***.jp
いろは教育Yachimata, Chiba Ken81 4 ** ** 55i***@i***.jp
5,500+ more contacts

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5,500+ email addresses available for €359

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Related business types included

This file includes closely related business types so your prospecting scope is not too narrow.

K-12 SchoolsAfter-school programsBilingual schoolsBoarding schoolsCatholic schoolsCharter schoolsCommunity schoolsHigh schoolsInternational schoolsMiddle schools
+10 Business Types
Montessori schoolsParochial schoolsPreparatory schoolsPrivate schoolsPublic schoolsReligious schoolsSpecial education schoolsTutoring servicesVocational secondary schoolsWaldorf schools
Option 1

Ready-to-use CSV for this business type

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One-time price€359≈ €0.061 per email
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File type
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Option 2

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  • CSV/Excel file: business name, address, city, category, website, emails, phones, social profiles and Google Maps link
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Need more than this list? Japan Business Email List: 485,000+ businesses with emails across 19 industries.

How SphereScout prepares this business contact CSV

SphereScout turns public business profiles into a category-and-location export. The process uses the business categories shown in the current page breakdown and keeps official registers, classifications, licences, and inspections separate from the file.

  1. Match the displayed business categories

    SphereScout selects public business profiles matching the categories shown in the current page breakdown. These labels define the file's scope but do not replace official activity codes or authorizations.

  2. Structure available public details

    SphereScout organizes the available business name, category, location, website, email, phone, and public profile fields, then normalizes and deduplicates contact values for export.

  3. Publish coverage and deliver the CSV

    SphereScout refreshes public business profiles regularly, publishes the latest collection date and available coverage totals, and delivers the selected records as a structured CSV.

See collection timing and source methodology

Using business contacts in Japan

A published or purchased address is not blanket permission for advertising email. Japan's Act on Regulation of Transmission of Specified Electronic Mail is consent-led and identifies prior request or consent, an existing business relationship, and limited statutory exceptions. Commercial messages must carry the required sender information and must stop after a refusal. Personal information remains subject to the APPI.

Read Japan's official commercial-email law and APPI materials
  • Keep recipient-level evidence of the request, consent, business relationship, or specific exception relied on before sending advertising email.
  • Do not infer consent from a public listing, custom domain, role inbox, or purchased spreadsheet.
  • Display the required advertising designation, sender name and address, and a valid email address for refusal as applicable.
  • Stop sending after the recipient asks not to receive the advertising email and maintain a suppression list.
  • When a contact identifies a person, define and disclose the utilization purpose, limit use to that purpose, and apply appropriate APPI safeguards.
  • Validate that the business, operating company, geography, and offer are relevant before choosing email, telephone, or another channel.
  • The commercial-email rules do not grant permission for indiscriminate calls. Identify the caller and purpose, contact at reasonable times, keep the offer relevant, apply the APPI when a number identifies a person, and suppress further calls after an objection.

Classify the contact route before outreach

Consent or relationship evidenced
EvidenceA retained request or consent record, an existing business relationship, or another documented statutory basis for the intended advertising message.
TreatmentSend within the evidenced scope, include the required sender information and refusal route, and preserve the evidence.
Public business route only
EvidenceThe address or number appears on a business profile, but there is no evidence that the recipient requested or consented to advertising email.
TreatmentUse the profile for qualification. Do not treat publication alone as email consent; obtain permission or use a lawful alternative channel.
Identity or source unresolved
EvidenceThe domain, business, operating company, recipient, source context, or current status cannot be confirmed.
TreatmentValidate or exclude the record before contact. A Corporate Number match does not establish control of a branch inbox or permission to message it.

Frequently Asked Questions

How many k-12 schools in Japan have an email address?
4,400+ of the 57,000+ businesses (7.8%) list at least one email address. 52,000+ (92.7%) have a phone number.
Where are most k-12 schools in Japan located?
Tokyo To (5,800+, 10.3%), Osaka Fu (3,700+, 6.6%), and Kanagawa Ken (3,200+, 5.8%) have the most listings: together 22.7% of the 57,000+ businesses.
Can I get the list of k-12 schools in Japan for just one region?
Yes. The ready-made file covers all 57,000+ businesses. For a single region, create an account and build a custom list filtered by region: Tokyo To alone has 5,800+ of them (10.3%).
How many k-12 schools in Japan have a website?
48,000+ of the 57,000+ businesses (85.2%) list a website. Businesses without an email address can often be contacted through their site.
How up to date is the list of k-12 schools in Japan?
The figures come from the SphereScout snapshot of October 27, 2026. Counts are recalculated every week.
Are the phone numbers mobile?
Some are. 15,000+ businesses (27%) have a mobile number. The list has 14,000+ mobile numbers and 42,000+ landlines in total, in a separate Mobile Phones column.
Markets

K-12 Schools by country

SphereScout lists K-12 Schools in 45 countries. Largest market: United States (215,000+ public business listings).

CountryPublic business listingsBusinesses with email
United States215,000+115,000+(53.8%)
Brazil161,000+16,000+(10%)
France77,000+27,000+(35.8%)
Germany61,000+30,000+(49.2%)
United Kingdom60,000+37,000+(61.9%)
Türkiye58,000+4,000+(7.1%)
Japan(this page)57,000+4,000+(7.8%)
Italy49,000+20,000+(40.5%)
Spain45,000+18,000+(41.2%)
Canada33,000+16,000+(48.6%)
Poland30,000+16,000+(54.4%)
Argentina29,000+2,000+(7.4%)
Australia29,000+15,000+(51.7%)
Netherlands28,000+15,000+(55.5%)
Saudi Arabia27,000+900+(3.6%)
Thailand13,000+1,000+(7.7%)
Romania12,000+3,500+(32.1%)
Belgium12,000+6,500+(55.5%)
Greece10,000+1,500+(18%)
Switzerland10,000+4,500+(45.4%)
Portugal9,000+3,000+(33.9%)
Austria8,500+4,500+(53.4%)
Sweden7,500+3,500+(46.5%)
Ireland6,000+2,000+(33.7%)
Hungary5,500+2,500+(46%)
Denmark5,000+2,500+(57.4%)
United Arab Emirates5,000+1,500+(32.7%)
New Zealand4,500+2,500+(60.8%)
Israel4,500+900+(20.1%)
Finland4,000+1,500+(40.6%)
Bulgaria4,000+1,500+(38%)
Norway4,000+2,000+(51.9%)
Serbia4,000+1,000+(31.5%)
Slovakia3,500+2,000+(54.7%)
Czechia3,500+1,500+(54.3%)
Oman2,500+200+(7.9%)
Croatia2,500+1,000+(52.2%)
Lithuania1,500+900+(53.3%)
Slovenia1,500+900+(61.8%)
Kuwait1,000+100+(12.5%)
Qatar1,000+200+(21%)
Latvia1,000+500+(45.5%)
Estonia1,000+600+(58.7%)
Bahrain800+100+(19.9%)
Luxembourg600+200+(34.7%)

Counts come from the latest SphereScout snapshot for each country. They describe public business listings, not an official count of every business.

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