15 Summer Internships for High School Students in San Antonio, TX
If you’re a high school student based in San Antonio, TX, doing an internship will help you build real-world experience early. Summer internships for high school students in San Antonio, TX, help you test your interests, improve your resume, and teach you how to be a team player. They also give you a head start when applying to colleges or jobs.
If you're in San Antonio, summer internships are a great way to explore what the city offers, especially if you're curious about careers in science, art, healthcare, or business. San Antonio, TX, also houses several top-rated universities and institutions, including the University of Texas at San Antonio and Texas A&M University, which help you reduce travel and housing costs, and may offer reduced tuition fees to local students.
We’ve looked through dozens of programs and picked the ones that offer real skills, hands-on learning, and solid mentorship. Here's a list of the 15 best summer internships for high school students in San Antonio, TX. They also include a few virtual summer internships that allow students in San Antonio to apply.
15 Summer Internships for High School Students in San Antonio, TX
1. Voelcker Biomedical Research Academy
Location: San Antonio
Cost/Stipend: None/Paid, amount not specified
Cohort Size: 20 students
Dates: 3-year, longitudinal program requiring a commitment of over 7 weeks in the summer.
Application Deadline: March 7
Eligibility: Rising high school sophomores who have 90% or above in Math, Science, and English (85% if in Pre-AP, AP, or Dual Credit courses) and are at least 15 years of age
The Voelcker Biomedical Research Academy offers you a three-year, research-focused summer experience where you work in labs at UT Health San Antonio alongside scientists and medical researchers. In your first year, you'll be part of a 7-week hands-on summer program that introduces research methods and biomedical science through direct work with faculty at UT Health San Antonio, and complete lab training and small-group projects. Later, you assist with real biomedical research and present your findings at a formal symposium. You’ll build skills in lab techniques, data analysis, and science communication. The program also includes seminars and scientific writing practice.
2. Ladder Internships
Location: Remote
Cost/Stipend: Varies according to program type; financial aid available/None
Cohort Size: 70-100 students
Dates: Multiple cohorts throughout the year; Fall session: September 14
Application Deadline: Varies as per cohort; Fall cohort: August 24
Eligibility: High school students who can work for 10-20 hours/week for 8-12 weeks
The Ladder Internship is a highly selective program that allows high school students to work directly with innovative startups in fields like technology, machine learning, artificial intelligence, finance, sustainability, healthcare, media, and more. Ladder’s partner startups are fast-moving and often backed by significant funding, led by founders from top accelerators such as Y Combinator and companies like Google, Microsoft, and Facebook. Throughout this 8-week program, you will tackle real-world projects and showcase your results in a final presentation. Each student is supported by both a startup manager and a dedicated Ladder Coach, offering a unique “coaching + work” model that provides mentorship, guidance, and insight into the dynamic startup environment.
3. University Health Junior Volunteers Program
Location: University Hospital, San Antonio, TX
Cost/Stipend: None/None
Cohort Size: Not specified
Dates: June 23–July 3, typically (2 weeks)
Application Deadline: February 21
Eligibility: High school students who are 15 to 17 years old at the time of application
The University Health Junior Volunteer Program places you in a real hospital setting where you assist staff, families, and support patients. You might help with clerical tasks, deliver items to rooms, or greet visitors. It’s a structured way to explore healthcare careers while building responsibility and teamwork. You will attend an orientation and follow a set weekly schedule, and staff members supervise your shifts. While you won’t work directly with medical tools, you’ll gain insight into hospital operations and patient care, explore a new career field, network professionally and socially, participate in special projects, and experience working in real-world administrative settings.
4. World Affairs Council of San Antonio - Internship Opportunities
Location: San Antonio, TX
Stipend: None
Cohort Size: Not specified
Dates: Flexible dates depending on internship and available positions
Application Deadline: Rolling
Eligibility: High school students with an interest in international affairs, marketing, event planning, communications, and related fields, and having strong communication skills
As an intern at the World Affairs Council of San Antonio, you support international programs through research, event prep, and outreach. You will help organize speaker events, draft communication materials, or manage social media content. The role offers insight into global issues and how nonprofit organizations engage with communities. You’ll work closely with staff and attend events that bring in diplomats, educators, and industry leaders. It’s a hands-on way to gain valuable career development and networking experiences related to foreign policy and international affairs, while building writing, coordination, and professional communication skills.
5. SA Worx Summer Internships
Location: San Antonio, TX (on-site, hybrid, or virtual)
Stipend: Paid, amount unspecified
Cohort Size: 220-250
Dates: June 9–July 24 (Six Weeks)
Application Deadline: Varies; students apply through their school district referral codes
Eligibility: High school students aged 16–19 | Enrolled in a Bexar County high school
The SA Worx Summer Internship program places you with local employers in fields like healthcare, tech, business, and construction. You’ll work part-time, earn hourly pay, and take part in tasks that show how different industries operate. Mentors guide your work, and many companies offer workshops or tours to expand your view of career paths. You'll also attend orientation and soft skills training to prepare for the job site. This program prepares you for career exploration, skill development, and networking by connecting you with employer partners across various industries in San Antonio. You will gain real work experience by filing reports, helping with social media, and shadowing technicians.
6. San Antonio Manufacturers Association (SAMA) Alamo Academies Internship
Location: San Antonio, TX
Stipend: Paid, amount unspecified
Cohort Size: Not specified
Dates: 8-week position that takes place between junior and senior years of high school during the summer break
Application Deadline: Typically early March
Eligibility: High school juniors and seniors from public, private, and charter schools in the San Antonio area who meet academic and program requirements | Should commit to the two-year Alamo Academies program combining high school and college courses
Through the SAMA Alamo Academies Internship, you get placed with local manufacturing and technology companies for paid, hands-on experience. You’ll assist with real projects in fields like aerospace, cybersecurity, or advanced manufacturing. You will gain exposure to technical tasks, attend safety briefings, and work side-by-side with skilled professionals. You’ll build workplace skills, learn how modern facilities operate, and see how classroom lessons apply on the job. This summer internship for high school students in San Antonio, TX, combines career exploration with mentorship and is ideal if you're considering a future in STEM or skilled trades.
7. Artpace Teen Council
Location: Bexar County, San Antonio, TX
Cost/Stipend: None/Paid, amount not specified
Cohort Size: Approximately 15 students
Dates: September to May
Application Deadline: June 30
Eligibility: High school students who are 15-18 years old and residing in Bexar County
The Artpace Teen Council is a dynamic nine-month paid program for high school students in the San Antonio area who are passionate about contemporary art and community leadership. In this internship, you’ll work with Artpace staff and visit artists to design teen‐focused programs. You’ll host events like Teen Night, workshops, talks, and pop‑ups. You’ll also tour local arts institutions, collaborate with professionals, and build community projects tied to contemporary exhibitions. As part of a tight‑knit leadership team, you’ll gain practical event planning and arts advocacy experience. Additionally, you’ll also get mentorship, a stipend, site visits, and opportunities to present and manage real events.
8. Bank of America Student Leaders
Location: Multiple locations, including San Antonio, TX
Stipend: Paid, amount unspecified
Cohort Size: 300 high school juniors and seniors are selected annually from nearly 100 communities. Each local market cohort typically consists of 2-5 Student Leaders
Dates: 8 weeks during the summer; one week Summit in Washington, DC
Application Deadline: January 15
Eligibility: Junior or senior in high school with good grades | Authorized to work in the U.S. without sponsorship through the end of September of the program year | Not previously selected for the program | Not a Bank of America employee or immediate family member of an employee
The Bank of America Student Leaders program places you with a local nonprofit for an eight-week paid internship. You’ll support projects that focus on community impact while learning how nonprofits operate. Your work may include communications, youth programming, or event coordination. You’ll also attend a week-long leadership summit in Washington, D.C., where you meet peers from across the country, engage in policy discussions, and hear from public and private sector leaders. This program offers a unique blend of community service, leadership training, hands-on work experience with nonprofits, and professional networking to prepare student leaders for future success.
9. San Antonio Hispanic Chamber of Commerce Internships
Location: San Antonio, TX
Stipend: None
Cohort Size: Not Specified
Dates: Vary
Application Deadline: Applications are accepted until positions are filled
Eligibility: All high school students
The San Antonio Hispanic Chamber of Commerce Internships for high school students provide an excellent opportunity for young people to gain real-world experience in several key areas like member relations, business policy, event management, and leadership. As an intern, you will support programs that connect businesses, community leaders, and local initiatives. You’ll assist with event planning, outreach, and communications while learning how chambers advocate for economic development. Tasks may include preparing reports, attending meetings, and helping with membership engagement. You’ll collaborate with professionals from across sectors and gain exposure to how business and policy work together.
10. Port San Antonio Internships
Location: Port San Antonio campus, San Antonio, TX
Stipend: Paid, amount unspecified
Cohort Size: Around 10 students per summer cohort
Dates: June 9–July 17, approximately 6 weeks
Application Deadline: April 30
Eligibility: Must be enrolled as a full-time high school senior in Edgewood ISD or South San ISD | Must be a senior beginning in the fall semester and be at least 16 years of age by June 9 | Must be authorized to work in the United States
The Port San Antonio Internships for high school students is an exciting, paid summer program that immerses you in a professional work environment at a leading technology and innovation hub. Port San Antonio partners with local companies to offer internships in aerospace, robotics, cybersecurity, and advanced manufacturing. You’ll work on real tasks that match your interests, from assisting engineers to supporting marketing or logistics teams. Some internships include site tours of high-tech labs or aircraft facilities. You’ll collaborate with mentors and staff, attend briefings, and gain hands-on experience in fast-growing industries.
11. TDIndustries’ High School Internships
Location: San Antonio and other cities where TDIndustries operate
Stipend: Paid, amount unspecified
Cohort Size: Around 40 interns
Dates: June to August (8–10 weeks)
Application Deadline: Not specified; generally close several months prior to the program start; it is recommended to apply early and contact the internship program manager for precise deadlines
Eligibility: High school juniors or seniors ages 16+ | Must be enrolled in a CTE (Career and Technical Education) program or have an interest in skilled trades
TDIndustries’ High School Internship gives you a close-up look at construction and building services. You will get hands-on exposure to fields like plumbing, sheet metal, welding, and mechanical contracting, working alongside experienced professionals. You will engage in activities such as shadowing safety experts, assisting with project tasks, participating in team meetings, and gaining real-world insights by contributing to ongoing projects. The internship stands out for its strong culture of mentorship, innovation, and diversity, providing a supportive environment for growth. This program is ideal if you’re curious about construction careers and want practical experience in the field.
12. Family Service Youth Summer Internship Program
Location: San Antonio, TX
Stipend: Paid, amount unspecified
Cohort Size: About 125 students each summer
Dates: Mid June to late July (Six to seven weeks)
Application Deadline: April 4
Eligibility: Ages 14–17 | Must reside in one of the eight San Antonio city council districts (1 through 8) | Must be enrolled in San Antonio ISD, Northside ISD, Edgewood ISD, Harlandale ISD, South San ISD, Southside ISD and Southwest ISD
The Family Service Youth Summer Internship Program is a paid part-time opportunity designed for San Antonio high school students. It places you in roles that support youth, education, and community programs. You’ll assist staff with daily operations, plan activities, and engage directly with families and children. Interns also take part in career-readiness workshops, group discussions, and mentorship sessions. You’ll build communication, teamwork, and planning skills while learning how nonprofits serve local communities. This summer internship for high school students in San Antonio, TX includes field visits and group projects that will give you a rounded view of public service work.
13. San Antonio Zoo Wildlife Allies
Location: San Antonio Zoo, San Antonio, TX
Cost/Stipend: $120 per session; scholarships are available/None
Cohort Size: Limited space
Dates: June 7–August 31
Application Deadline: April 19
Eligibility: High school students aged 13–17
The San Antonio Zoo Wildlife Allies program is a vibrant volunteer opportunity for high school students aged 13 to 17 who are passionate about wildlife, conservation, and education. As a Wildlife Ally, you will support education and conservation efforts through hands-on volunteer work. You will also help guests learn about animals, assist with zoo camps, and participate in community outreach. Training is provided, and you’ll work alongside staff and educators to improve your public speaking, teamwork, and leadership skills. While you won’t handle animals directly, you’ll play a key role in connecting visitors to wildlife and conservation topics.
14. McNay Art Museum Teen Art Guide (TAG)
Location: McNay Art Museum, San Antonio, TX
Cost/Stipend: None/None
Cohort Size: Not specified
Dates: September to May
Application Deadline: June 7
Eligibility: Current sophomore or junior in the San Antonio area
The McNay Art Museum Teen Art Guide (TAG) program is a volunteer experience designed for high school juniors and seniors who are passionate about art and eager to engage with a museum environment. As a Teen Art Guide, you work closely with museum educators to design teen-friendly programs and lead art-based events. You’ll assist with gallery talks, host workshops, and help plan Teen Night, an annual event for young visitors. You also collaborate with local artists, visit exhibitions, and contribute ideas for engaging youth with art. This program helps you build public speaking, teamwork, and event planning skills in a creative space.
15. Magik Theatre Student Volunteers
Location: Magik Theatre, San Antonio, TX
Stipend: None/None
Cohort Size: Not specified
Dates: Ongoing and aligned with the theatre’s performance schedule; no fixed cohort dates
Application Deadline: Ongoing or seasonal depending on productions or internships
Eligibility: All high school students with good interpersonal skills and a passion for performing arts
The Magik Theatre Student Volunteers program in San Antonio offers high school students a hands-on opportunity to engage with the performing arts by assisting patrons during live theatre performances. As a volunteer, you will support summer camps and live performances in a professional theatre setting. You help with check-in, assist teaching artists, and guide young campers through daily activities. You will also get a look behind the scenes, observing rehearsals, learning about set design, and helping staff prepare for shows. You’ll build communication and leadership skills while working with children and creatives. Being part of a respected cultural institution will also show prospective colleges your willingness to contribute to your community.
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