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Senior students working on project on laptop in classroom.
Adult students listen to professor's lecture in small class room. Rear view, panoramic aspect ratio.
Group of highs school students sitting at classroom and holding hand up.
Teacher Giving Lesson to Diverse Multiethnic Group of Female and Male Students in College Room, Learning New Academic Skills on a Computer. Lecturer Shares Knowledge with Smart Young Scholars.

Free stock photosclasses (6673)

Mission chalk emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/mission-chalk-emblem-written-blackboard-403697161">Image used under license from Freestock.com</a>
Quality Product grunge sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/quality-product-grunge-seal-295202510">Image used under license from Freestock.com</a>
certificate template eps10 jpg of achievement diploma vector illustration design completionImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-template-eps10-jpg-achievement-diploma-429032812">Image used under license from Freestock.com</a>
certificate template eps10 jpg of achievement diploma vector illustration design completionImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-template-eps10-jpg-achievement-diploma-432654925">Image used under license from Freestock.com</a>
Certificate, Diploma of completion; design template with guilloche pattern, border, frame.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-diploma-completion-design-template-guilloche-273795446">Image used under license from Freestock.com</a>
Certificate of achievement template. Vector certificate template.With complex linear background. Retro design. 
Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-achievement-template-vector-certificate-templatewith-276689423">Image used under license from Freestock.com</a>
Certificate template or diploma template. Good design. Vector pattern that is used in currency and diplomas.With guilloche pattern. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-template-diploma-template-good-design-332878181">Image used under license from Freestock.com</a>
Sample certificate or diploma. Printer friendly. Cordial design. Detailed.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sample-certificate-diploma-printer-friendly-cordial-351189794">Image used under license from Freestock.com</a>
A mature hand writing business and different graphs, charts on a clean blackboard with a chalkImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/mature-hand-writing-business-different-graphs-773560342">Image used under license from Freestock.com</a>
Ornate handrail of wrought iron along curved staircase to main entrance of public museumImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ornate-handrail-wrought-iron-curved-staircase-101944825">Image used under license from Freestock.com</a>
Coming Soon chalkboard emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/coming-soon-chalkboard-emblem-written-blackboard-342642050">Image used under license from Freestock.com</a>
ISO Certification with chalkboard texture
Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/iso-certification-chalkboard-texture-390119761">Image used under license from Freestock.com</a>
Save the Date chalkboard emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/date-chalkboard-emblem-written-blackboard-372497107">Image used under license from Freestock.com</a>
Employee of the Month chalk emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/employee-month-chalk-emblem-370696058">Image used under license from Freestock.com</a>
Diploma template. With great quality guilloche pattern. Money style.Elegant design. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/diploma-template-great-quality-guilloche-pattern-333842135">Image used under license from Freestock.com</a>
Diploma template or certificate template. Artistry design. Vector pattern that is used in money and certificate. With quality background. Green color.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/diploma-template-certificate-template-artistry-design-384189373">Image used under license from Freestock.com</a>
Sample Certificate. With background. Vector pattern that is used in money and certificate.Superior design. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sample-certificate-background-vector-pattern-used-344850524">Image used under license from Freestock.com</a>
Made in USA chalkboard emblem on black boardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/made-usa-chalkboard-emblem-black-board-311874335">Image used under license from Freestock.com</a>
Certificate template or diploma template. Money style.Retro design. With complex background. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-template-diploma-template-money-styleretro-345784520">Image used under license from Freestock.com</a>
100% Quality gold shiny emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/100-quality-gold-shiny-emblem-308084447">Image used under license from Freestock.com</a>
Highest Quality emblem with denim high quality backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/highest-quality-emblem-denim-high-quality-431462308">Image used under license from Freestock.com</a>
Thank you with chalkboard textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/thank-chalkboard-texture-423111841">Image used under license from Freestock.com</a>
Two mature women keeping fit by doing yoga in the summerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-mature-women-keeping-fit-doing-386304973">Image used under license from Freestock.com</a>
Cafeteria written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/cafeteria-written-blackboard-377689828">Image used under license from Freestock.com</a>
Game Over chalk emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/game-chalk-emblem-364716884">Image used under license from Freestock.com</a>
Sample certificate or diploma. Modern design. Vector certificate template.With guilloche pattern. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sample-certificate-diploma-modern-design-vector-369215279">Image used under license from Freestock.com</a>
Certificate or diploma template. Easy to print. Customizable, Easy to edit and change colors. Cordial design. Orange color.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-diploma-template-easy-print-customizable-428042611">Image used under license from Freestock.com</a>
Green Certificate template. Nice design. Printer friendly. Detailed. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/green-certificate-template-nice-design-printer-431477635">Image used under license from Freestock.com</a>
BlackJack chalkboard emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/blackjack-chalkboard-emblem-420007900">Image used under license from Freestock.com</a>
Stereo chalk emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/stereo-chalk-emblem-421518814">Image used under license from Freestock.com</a>
Bonus with chalkboard textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/bonus-chalkboard-texture-364728836">Image used under license from Freestock.com</a>
Two mature women keeping fit by doing yoga in the summerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-mature-women-keeping-fit-doing-385039237">Image used under license from Freestock.com</a>
Blue Diploma template or certificate template. With quality background. Vector pattern that is used in money and certificate. Beauty design. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/blue-diploma-template-certificate-template-quality-423973081">Image used under license from Freestock.com</a>
Blue horizontal certificate template.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/blue-horizontal-certificate-template-140155435">Image used under license from Freestock.com</a>
Special Offer chalk emblem, retro style, chalk or chalkboard textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/special-offer-chalk-emblem-retro-style-389256703">Image used under license from Freestock.com</a>
A hand drawing lines, pie charts, graphs on a green blackboard with a chalkImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/hand-drawing-lines-pie-charts-graphs-667152394">Image used under license from Freestock.com</a>
Thank you chalk emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/thank-chalk-emblem-written-blackboard-417801367">Image used under license from Freestock.com</a>
Diploma template or certificate template. With linear background. Beauty design. Vector pattern that is used in currency and diplomas.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/diploma-template-certificate-template-linear-background-367347509">Image used under license from Freestock.com</a>
Light blue Certificate template or diploma template. Superior design. Complex background. Vector pattern that is used in currency and diplomas.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/light-blue-certificate-template-diploma-template-403702846">Image used under license from Freestock.com</a>
Be a Warrior not a Worrier chalkboard emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/warrior-worrier-chalkboard-emblem-423679282">Image used under license from Freestock.com</a>
Green Diploma. Border, frame. With background. Good design. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/green-diploma-border-frame-background-good-431095570">Image used under license from Freestock.com</a>
Blue Diploma. With background. Excellent design. Border, frame. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/blue-diploma-background-excellent-design-border-412951933">Image used under license from Freestock.com</a>
Certificate of achievement. Vector certificate template.With quality background. Retro design. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/certificate-achievement-vector-certificate-templatewith-quality-309768506">Image used under license from Freestock.com</a>
Blue certificate, diploma or coupon template.Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/blue-certificate-diploma-coupon-template-140422204">Image used under license from Freestock.com</a>
Back to school concepty with writing on blackboard and desk, apple, books, itemsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/back-school-concepty-writing-blackboard-desk-682511503">Image used under license from Freestock.com</a>
Sample Diploma. Frame certificate template Vector.With complex linear background. Nice design. Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sample-diploma-frame-certificate-template-vectorwith-297571274">Image used under license from Freestock.com</a>