Labor Day signals that school is back in session for millions of high school and college students across the fruited plains. Just don't go to class, or arrive on campus, without these five must-have back-to-school mobile apps. Each one can make life easier for students - and will have mom and dad breathing easier, too.

Raise - Data show the average U.S. family will spend $501 on back to school supplies. That's a hefty figure, but you can save money with discounted gift cards, especially with the Raise mobile app. "Before you buy any back to school items, check the Raise app to see if there are any discounted gift cards you can buy to make your dollar go farther," Raise reports. "Gift cards are available from thousands of retailers including Staples, Kmart, Target, Overstock and more." Once you purchase a card, you can instantly redeem it online or in stores by showing the barcode on your phone - no need to worry about forgetting your gift cards at home, the company states.

Your College's App - "Students should research if their college has created an app," says Scott Finkelstein, manager of web technologies at Adelphi University in Garden City, N.Y. Finkelstein cites Adelphia's own mobile app, AU2Go Mobile App, which it launched in 2010. "Our app is designed to provide important information at the fingertips of Adelphi University students, alumni, faculty, staff, and visitors," Finkelstein states. Highlights include a Shuttle Tracker in real time, Digital ID Card to check out books at the library, an interactive campus map with information about buildings on campus, as well as a "study sessions app" feature that's searchable by professor, course, and topic so students can gather in a centralized location on campus.

WayUp - This app helps college students and older high school students find part-time jobs in a quick and easy way. "WayUp is a free platform for students to search through millions of part-time jobs, internships, and full-time entry level roles," WayUp states. "It's especially a must-have for any college student, considering that 70% of all college students have a job while in college."

MyHomework Planner - MyHomework Planner app is a free iPhone, iPad and Android app that helps students track, schedule, and plan assignments, projects and more. "It's easy to enter assignments on the go and set due dates and reminders," says Krista Fabregas, ecommerce and retail analyst at FitSmallBusiness.com. "It's geared for high school and college-age kids, but its interface is certainly middle school-friendly, too."

LifeSite Vault - Parents struggle to make sure their college students have access to key personal documents and accounts, like Social Security numbers and bank account information. That's where LifeSite Vault can help. 'LifeSite Vault can make the "away from home" student process less painful, via secure sharing, all in one place - even at college," the company notes. LifeSite does so by keeping important documents "safe but accessible." For example, with LifeSite Vault, users can upload everything from their Social Security cards to passports and birth certificates or upload a picture of a medical insurance card. Securing and organizing logins and passwords is a snap, too. "With the app, college or high school students can store logins for family Netflix, Hulu, or Amazon accounts, or even a shared bank account in the Online Accounts section. Credit and debit Cards numbers can be safely and securely stored, as well," the company states.

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