In the latest dealmaking news, language and literacy software solutions company Imagine Learning acquired Think Through Learning, an online supplemental math program. In addition, Securly, an Internet security solution for the K-12 market, raised $4 million.

Imagine Learning Acquires Think Through Learning: Imagine Learning, a provider of elementary language and literacy software solutions, has acquired Pittsburgh-based Think Through Learning, a developer of an online supplemental math program, for an undisclosed sum.

Through this acquisition, Provo, Utah-based Imagine Learning said it is now “poised to fill a critical need for innovative and adaptive language, literacy, and math solutions in the K–12 space,” according to a statement.

Weld North, an investment company focused on digital and SaaS education solutions, acquired Imagine Learning in April 2014.

Securly Raises $4 Million: Securly, a cloud-based organization that offers Internet security for K-12 schools, has raised $4 million in a Series A funding round led by Owl Ventures, according to TechCrunch.

The San Jose, Calif.-based startup claims its solution is used by five percent of the U.S. K-12 student body.

VIPKID Establishes Research Institute, Pledges $10 Million: VIPKID, a company that created an online English language-learning platform for children in China, has pledged $10 million toward the establishment of a research institute as part of the rollout of its global education research strategy.

VIPKID claims the institute, dubbed the VIPKID Education Research Institute (VERI), will be the first of its kind to be established by a children’s online learning company.

In August, VIPKID raised $100 million in a Series C round.

3Dexter Raises $150,000: A Delhi, India-based organization focused on 3D printing solutions for educational institutions, 3Dexter, has raised $150,000 from ICA Edu Skills.

The investor is an India-based provider of accounting and finance education, according to press reports.

Be sure to check back on Marketplace K-12 for updates on mergers, acquisitions, fundraising, and other dealmaking. Also see EdWeek Market Brief, a service that gives companies operating in the market insights on the needs and priorities of school officials.