School Library

What School Library does

School Library Journal (SLJ), founded in 1954 and headquartered in New York, NY, is a monthly trade magazine and digital publishing platform serving school and public librarians, educators, and the broader children's and young adult literature community. The company is a subsidiary of Media Source Incorporated, which also owns Library Journal, The Horn Book, Junior Library Guild, and AKJ Education. SLJ operates with approximately 115 employees and reaches its audience through the slj.com website, a print magazine, a network of 8+ specialized blogs (Heavy Medal, A Fuse #8 Production, Good Comics for Kids, Teen Librarian Toolbox, The Yarn, and others), social channels, email newsletters, and annual events including the SLJ Summit and Day of Dialog.

The core platform combines news, features, and the exclusive Reviews+ subscription product, which provides unlimited access to an archive of book and media reviews dating back to 2010 with a 'starred' designation for standout titles. The technology stack is a digital publishing platform with content management, subscriber authentication capped at three simultaneous device logins, and a separate online course delivery infrastructure at course.libraryjournal.com hosting professional development programs such as Science of Reading and Frontline Safety Training. The product portfolio also includes a Job Zone career board and curated booklists for collection development.

SLJ monetizes through three primary revenue streams: subscription recurring revenue from individual and institutional subscribers to the magazine and Reviews+; advertising and sponsorships served across the website and branded editorial features; and professional services revenue from in-person events, webcasts, online courses, and master classes. Distribution is predominantly self-serve via the website and course platform with annual billing, supplemented by direct-sales channels for in-person events. Strategic partnerships with the National Council of Teachers of English (NCTE), the Black Caucus of the American Library Association (BCALA), and the Ezra Jack Keats Foundation anchor co-branded awards programs and editorial initiatives, reinforcing SLJ's position as the leading professional resource in the school librarian segment.

Name

School Library

Legal name

School Library Journal

Website

https://schoollibraryjournal.com

Company type

Private

Founded year

1954

Operating status

Operating

Headcount range

101–250 employees

Short description

School Library Journal (SLJ) is a 70-year-old monthly trade publication and digital platform owned by Media Source Inc., providing book reviews, news, professional development courses, and events for school and public librarians serving children and young adults.

Ownership category

akta.pro rank

Product category

Trade Media & Publishing

NAICS

Web Search Portals, Libraries, Archives, and Other Information Services (5192), Educational Support Services (611710)

SIC

Periodicals: Publishing Or Publishing & Printing (2721)

akta.pro primary industry

Literature & Book Clubs / Guided Reading Groups (EDAMAJAG)

akta.pro secondary industry

Children’s Educational & Curriculum Publishing (MPAJAFAF)

Keywords

• Library industry news
• Book reviews
• Professional development
• Children's literature
• School librarian resources

Headquarters

HQ city

New York

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Digital Commerce or Content

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Subscription Revenue: Paid subscriptions providing unlimited access to reviews, news content, and digital archives dating back to 2010. Both print and digital access options available with multi-device licensing (up to 3 simultaneous devices).
2. Advertising & Sponsorships: Sponsored content sections on the website and branded editorial features. Advertise link visible in footer pointing to media.libraryjournal.com.
3. Events & Professional Development: Revenue from in-person events (SLJ Summit, Day of Dialog), online courses, webcasts, and master classes for professional development.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

School Library Journal (SLJ) is a monthly trade magazine and digital platform that provides news, features, exclusive book reviews (with archives back to 2010), curated booklists, and professional resources for K-12 school librarians, public youth-services librarians, and educators serving children and young adults. The publication is complemented by a multi-blog network (including 100 Scope Notes, A Fuse #8 Production, Good Comics for Kids, Heavy Medal, Teen Librarian Toolbox, The Yarn, and others), online professional development courses, and live/virtual events such as the annual SLJ Summit and Day of Dialog.

Product overview

School Library Journal (SLJ) is a single publication platform offering a monthly magazine and comprehensive digital content hub for library professionals. The core offering consists of the SLJ magazine and website providing news, book reviews, and professional resources. Premium subscription add-ons include Reviews+ for unlimited access to review archives, and Online Courses for professional development. The SLJ Blog Network extends coverage through specialized topic-focused blogs. Events programming and Job Zone provide additional community resources. The product portfolio centers on one publication supported by multiple content delivery and professional development modules.

Differentiator

Problem solved

Functional benefit

Products and services

• School Library Journal (SLJ) Magazine and Digital Platform
• SLJ Reviews+ Premium Review Archive
• Online Professional Development Courses
• SLJ Live Events and Professional Development Programming
• Job Zone Career Board

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Black Caucus of the American Library Association (BCALA)coreStrategic or Co-development Partner · 19 February 2025BCALA and SLJ co-present the annual Children & Youth Literary Awards, celebrating the diversity of the Black experience in children's and YA literature.
• National Council of Teachers of English (NCTE)coreStrategic or Co-development Partner · 19 January 2022SLJ and NCTE collaborate on book-related initiatives including the Refreshing the Canon project to modernize summer reading lists, joint survey launches, and co-branded award programs including Orbis Pictus and Charlotte Huck awards.
• Ezra Jack Keats FoundationcoreStrategic or Co-development PartnerPartnership for the Ezra Jack Keats Writer and Illustrator Awards, recognizing excellence in children's literature. SLJ provides coverage and promotion of award winners.
• Media Source IncorporatedcoreOthersParent company of School Library Journal, Library Journal, and related properties. SLJ is a subsidiary of Media Source Inc, part of a network of library industry publications.
• Junior Library GuildminorStrategic or Co-development PartnerRelated library industry organization under the Media Source Inc. network, featured in SLJ's partner/logo section.
• The Horn BookminorStrategic or Co-development PartnerChildren's literature review publication under Media Source Inc. family, co-featured in SLJ's partner section.
• AKJ EducationminorStrategic or Co-development PartnerEducation materials provider under Media Source Inc. network, featured in SLJ's partner/logo section.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Booklist (ALA): American Library Association's review publication for libraries, covering youth and adult titles. Directly competes with SLJ Reviews+ for librarian subscription and collection-development mindshare.
• Library Journal: Sister publication under Media Source Inc. targeting public and academic librarians with reviews, news, and PD. Closest direct analogue and natural cross-sell partner for SLJ.
• Kirkus Reviews: Major book review publication offering librarian-relevant reviews, industry coverage, and awards. Competes with SLJ for paid review subscriptions and editorial influence on collection development.
• School Library Connection: Subscription resource providing lessons, articles, and reviews for school librarians. Direct competitor to SLJ in the K–12 librarian professional-development and content space.
• Junior Library Guild: Subscription book-selection service for K–12 libraries, also under Media Source Inc. Competes with/extends SLJ's collection-development value proposition through curated, pre-selected shipments.
• The Horn Book: Children's and YA literature review publication also under Media Source Inc. Overlaps with SLJ's review franchise and shares editorial and award programming adjacencies.

Broad incumbents

• American Libraries Magazine: ALA's flagship publication covering the broader library profession including school libraries. Adjacent incumbent that competes for the same librarian audience across news and advocacy.
• Education Week: Leading K–12 education news publication. Competes with SLJ for the school librarian and educator audience on broader education-policy, budget, and curriculum news.
• Publishers Weekly: Long-standing trade publication covering the book industry end-to-end. Overlaps with SLJ in children's/YA coverage and publisher-facing news but serves a much broader trade audience.

Emerging players

• Reading Rockets: Public television-supported literacy education resource serving educators and librarians. Adjacent competitor in the literacy/reading-instruction content space where SLJ's Classroom section also plays.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/sljournal
• YouTubeyoutube.com/user/sljlive/feed
• Facebookfacebook.com/SchoolLibraryJournal
• Instagraminstagram.com/sljournal/?hl=en
• Pinterestpinterest.com/sljournal
• LinkedInlinkedin.com/company/school-library

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about School Library