94 high school intern jobs at 51 companies in Fremont, CA
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High School Intern - Peachtree Ridge High School & Gwinnett School of Math and Science (Unpaid Mentorship)
Duluth or San Jose or North America or New York City
OnsiteMultiple Commitments Available
Currently pursuing a high school diploma, participating in a qualifying STEM program, and able to commit to 12–15 weeks from September 2026 through April 2027.
CAD
2mo
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26-27 High School Special Education Teacher
San Rafael, California, United States
OnsiteFull Time
Valid California Education Specialist credential (Mild/Moderate or Moderate/Severe) or intern eligibility; experience teaching neurodivergent students; skills in differentiated instruction, behavior supports, visual strategies, and strong communication/collaboration.
2mo
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Social Worker (School) (Categorically Funded) - Apollo High School
San Jose or California
OnsiteFull Time
Master's in Social Work and PPS School Social Work credential required; LCSW preferred. Experience with counseling, case management, supervising interns, MTSS, documentation, and working with diverse student populations; bilingual preferred.
2w
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Alternative High School Science Teacher (Intern Credential Accepted)
San Jose, California, United States
OnsiteFull Time
Teach high school integrated, life, physical, environmental science or STEM; connect academics to community projects; work with diverse young adult learners in non-traditional settings.
1mo
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Principal, Hayward High School
Hayward, California, United States
OnsiteFull Time
Valid California Administrative Services Credential or eligibility as an administrative intern; Master’s degree desirable. Submit completed application, resume, three letters of recommendation, credentials, and a letter of introduction.
1mo
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Cellar Intern
Los Gatos, California, United States
$22/hr OnsiteFull Time, Temporary
High school diploma required; ability to lift and carry up to 50 lbs frequently; stand for full shifts; perform repetitive motions; effective communication and teamwork; passion for wine.
2mo
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Machinist Intern
Palo Alto, California, United States
$21-$26/hr OnsitePart Time, Internship
High school diploma or GED required; machining/CNC program preferred. Exposure to Haas CNC equipment and Mastercam preferred. Ability to read mechanical drawings, lift up to 50 lbs, and learn CAM programming.
Mastercam, Haas CNC, CNC mills, lathes, CAM, calipers, micrometers, height gauges
2mo
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Astronomy Teacher - Deer Valley High School
Antioch, California, United States
OnsiteFull Time
Selection from an eligibility list via competitive evaluation of training and experience; internal transfer deadline 6/17/26.
2w
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Library Assistant - Before School - Campolindo High School - Internal Only
Moraga, California, United States
$24-$26/hr OnsitePart Time
2+ YOEHigh school diploma and two years clerical or library experience including computer/circulation functions; provide two reference letters, resume, and cover letter.
1mo
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Aquarist Intern $19.00/HR
Vallejo, California, United States
$19/hr OnsitePart Time
Must be 18+, high school diploma, valid driver license, SCUBA certification, strong swimming and mechanical aptitude, able to lift 60 lbs, comfortable speaking to crowds, follow safety procedures and perform aquarium maintenance.
3mo
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Counselor (0.3 FTE) - Hercules High School - Starting School Year 2026-2027
Richmond, California, United States
OnsiteFull Time
Submit EdJoin application, resume, credential clear/preliminary/intern, English Learner Authorization, transcripts showing BA, CSET, and 2-3 letters of recommendation.
1w
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Product Manager Intern 2027
Lowell or Durham or San Jose or Austin
$74k-$164k/yr HybridInternship, Temporary
High school diploma or GED required; bachelor's degree preferred. Requires product management, user-centered thinking, AI/ML, Agile, data analysis, communication, organization, and problem-solving skills.
AI/ML, Agile, APIs, ML models
2mo
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SFDK Aquarist Intern $19.00/HR
Vallejo, California, United States
$19/hr OnsitePart Time
Must be 18+, high school diploma or equivalent, valid driver license, SCUBA certification, strong swimming, ability to lift 60 lbs, able to work indoors/outdoors 40 hours/week including weekends/holidays, mechanical aptitude, follow SDS/chemistry, and pass annual physical/stress test.
2mo
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Resident Intern - General Program Support (Part Time)
Oakland, California, United States
$17-$20/hr OnsitePart Time, Internship
High school diploma/GED or enrollment; must be an Oakland Housing Authority resident participant on lease/voucher in good standing; pass drug test; some work experience/training preferred; interest in community supportive services.
Microsoft Office, Microsoft Excel, database software, Internet, email, photocopier, scanning equipment, landline telephone, mobile telephone
1mo
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JROTC (Junior Reserve Officer's Training Corp) Program Instructor/Coordinator -- PATTERSON HIGH SCHOOL
Patterson, California, United States
OnsiteFull Time
Must be retired U.S. Army (E-6 through O-6) with appropriate JROTC certification; high school diploma or GED and a teaching credential or intern enrollment authorizing instruction in California required.
2w
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Data Center Development Intern Roles
Dallas or Ashburn or Elk Grove Village or San Jose
$25-$35/hr OnsiteFull Time, Internship
High school diploma required; must lift 50 pounds, work assigned shifts and emergencies, and possess curiosity, troubleshooting, customer service, and precision skills.
HVAC, Ethernet, switches, servers, fiber optics, plumbing, diesel generator, fire systems, building automation systems, building mechanical systems
2mo
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Food Service Student Intern/WBL - Treasure Island
San Francisco, California, United States
OnsitePart Time
High School Diploma or GED required.
2w
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Data Center Development Intern Roles
Dallas or Elk Grove Village or Ashburn or Silicon Valley
$25-$35/hr OnsiteFull Time
High school diploma, ability to lift 50 lbs, flexible to work any shift incl. nights/holidays/emergencies, hands-on interest in electrical/mechanical/fiber/HVAC systems, strong troubleshooting and customer service skills.
HVAC, fiber optics, ethernet, diesel generator, building automation systems
2w
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Data Center Development Intern Roles
Dallas or Elk Grove Village or Ashburn or San Jose
$25-$35/hr OnsiteFull Time
High school diploma, ability to lift 50 lbs, flexible to work any assigned shift including nights/holidays, basic trade skills welcomed (HVAC, electrical, fiber), strong troubleshooting and customer service mindset.
HVAC, fiber optics, ethernet, switches, servers
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Math Teacher - Edison High School (2026-27 SY) **$5,000 SIGNING BONUS**
Stockton, California, United States
OnsiteFull Time
Single Subject Math credential or intern-eligible letter required, plus English Learner authorization. Submit resume, cover letter, recommendations, credentials, test results, and transcripts.
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