Ultimate list of startup internships for High Schoolers

For high schoolers curious about the startup world, an internship in that ecosystem is exciting and educational. Unlike most corporate internships, startups give interns a hands-on look at the whole entrepreneurial process, from idea to execution. These roles strengthen college applications and build a versatile skill set. Here are eight notable startup internships open to high school students across a range of industries.

Note: internship dates, stipends, and deadlines change every cycle, so always confirm the current details on each program’s own page.

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1. Ladder Internships

• Description: A virtual internship program for high school students that pairs participants with startups and nonprofits worldwide, across technology, finance, and healthcare. Interns work on real projects guided by industry professionals and a dedicated Ladder Coach, building communication and project management skills.
• Location: Virtual, global
• Cost: Paid program, with financial aid available for eligible applicants
• Eligibility: All high school students
• Deadline: Rolling admissions, with a specific deadline for each cohort

2. EnergyMag Research Internship

• Description: A deep dive into renewable energy, where students research companies, technologies, and market trends. Mentored by experts, interns build analytical skills and contribute to the green energy conversation.
• Location: Virtual
• Cost: Fully funded
• Eligibility: Sophomores, juniors, and seniors with a background in honors science or English classes
• Deadline: Rolling, throughout the year

3. Product Operations Intern at Firework

• Description: Firework’s internship gives you a hand in the future of video commerce. Interns contribute to product strategy, customer feedback analysis, and process optimization in a tech startup.
• Location: San Mateo, CA (hybrid remote available)
• Stipend: Around $20 per hour
• Eligibility: Sophomores, juniors, and seniors with strong communication and organizational skills
• Deadline: Varies; check the listing for current openings

4. Engineering Intern at Otoro Energy, Inc.

• Description: Focused on flow battery technology, Otoro offers a hands-on role in energy storage. Interns work on prototype development, performance optimization, and safety procedures under experienced engineers.
• Location: Boulder, CO
• Stipend: Roughly $16–$24 per hour
• Eligibility: High school students and undergraduates interested in STEM
• Deadline: Varies; check the listing for current openings

Once you’re done with this list, check out our extended article on the 50 best STEM summer programs for high schoolers.

5. Operations Intern at Kids in the Game

• Description: This role puts students at the heart of operations at a startup focused on youth development through sports and fitness. Interns manage equipment, assist with compliance, and work on strategic projects.
• Location: New York
• Stipend: Around $200–$300 per week, part-time
• Eligibility: High school and college students
• Dates and deadline: Summer sessions; check the listing for current dates

6. Social Media Intern at The Sunshine Method

• Description: A creative role in digital marketing and brand development supporting educational initiatives. Interns work on social media strategy, content creation, and community engagement at a social enterprise.
• Location: Remote
• Stipend: Not specified
• Eligibility: High school students or equivalent
• Dates and deadline: Part-time; check the listing for current dates

7. Quality Tech Intern at Atlas Copco

• Description: Interns help ensure product quality across industries from electronics to renewable energy, working on process evaluations, inspections, and quality solutions.
• Location: Rock Hill, South Carolina
• Stipend: Not specified
• Eligibility: High school or equivalent
• Dates and deadline: Summer; check the careers page for current openings

8. Startup Internship Program by Empowerly

• Description: Empowerly connects students with startup internships across AI, education, health, and more, plus resume help and interview prep to develop professional skills.
• Location: Virtual
• Stipend: Not specified
• Eligibility: 9th grade through college
• Dates and deadline: Fall, spring, and summer sessions; check the listing for current dates

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Concluding Note

Each of these internships is a window into the startup world, giving high school students the tools, knowledge, and experience to thrive in fast-paced, innovative environments. Whether remote or in person, you’ll come away with a deeper understanding of entrepreneurship and practical skills for your future career.