US children attending charter schools – publicly funded alternative schools run under contract – have more than quadrupled in 10 years. Their numbers have gone from 340,000 in 1999-2000 to more than 1.6 million in 2009-2010. Contrary to some perceptions, a majority of charter schools are urban (54.8% are in cities) and multicultural (the Hispanic percentage of the charter school population is increasing, from 19.6% in 2000 to 26.1% in 2010, while white and African American proportions declined slightly).

Open up today’s infographic, though, for some data on test performance by charter school students that may surprise you. Then join our discussion below: what’s the best path to school excellence?

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  • 1. Modern school supplies

    Gone are the days when students were set for school with a three-ring binder and some No. 2 pencils. Now, parents say they're making expensive runs to local craft stores each time a project is assigned and are even furnishing their students with their own laptops. "You have to have a computer, and then you have to have the programs the school runs," says Jodi Drange, a parent from Montana whose daughter goes to <a href="http://www.usnews.com/education/best-high-schools/montana/districts/laurel-h-s/laurel-high-school-12096" target="_hplink">Laurel High School.</a> "They never have enough time at school [for assignments] and they won't get their project turned in unless they can work on it at home." If your child needs a laptop, consider a refurbished model that can be significantly less expensive, Florida parent Krause recommends.

  • 2. Extracurriculars

    For the Krauses, costs of the fall play, the spring musical, and a trip for a thespian group competition were straining the family's budget. "[My daughter] was talking about also wanting to get into softball, and we were like, 'Well, we don't know if we can afford the equipment if you want to continue to do drama,'" Krause says. "It's getting ridiculous, cost-wise, to continue to fund all these things through the school." Participation in important but increasingly costly after-school programs may necessitate a family conversation, says Carol Ranft, a mother who lives within Georgia's <a href="http://www.usnews.com/education/best-high-schools/georgia/districts/gwinnett-county-public-schools" target="_hplink">Gwinnett County Public Schools</a> district and who was paying $450 a year for her son to play lacrosse. "I think that's probably one of the bigger questions for parents: As the cost of those kinds of activities increase, are their students willing to put in their time and effort into a cause or an activity?" Ranft asks. "Is it as worthwhile to them for their time as it is for the parents' cost?"

  • 3. College prep

    It's important for college-bound high schoolers to be ready for their next step, but taking Advanced Placement tests, which cost $87 each, PSATs ($14), and SATs and ACTs ($49 and at least $34, respectively) can get expensive. [Get tips on <a href="http://www.usnews.com/education/best-colleges/test-prep" target="_hplink">college test prep</a>.] "Fifty dollars doesn't seem that bad, but most kids take [the SAT] two or three times before they <a href="http://www.usnews.com/education/best-colleges/applying" target="_hplink"> apply to college,</a> so that can add up," notes Karen Schoonover, chief academic officer and principal of Pennsylvania's <a href="http://www.usnews.com/education/best-high-schools/pennsylvania/districts/new-hope-academy-cs/new-hope-academy-cs-16756" target="_hplink">New Hope Academy Charter School,</a> where low-income students get test fee waivers. If testing costs will be an issue for you, investigate waiver options with your school's guidance counselor, Schoonover recommends. Schoonover's daughter took college prep further, with subsequent costs. Through a dual enrollment program at <a href="http://www.usnews.com/education/best-high-schools/pennsylvania/districts/west-york-area-sd/west-york-area-senior-high-school-17432" target="_hplink">West York Area Senior High School,</a> she took college courses for $250 each, amassing 17 credits by graduation--which would have cost about $12,000 to earn at a university, her mother estimates. "It saved me a lot of money in the long run," Schoonover says. "I wasn't really prepared in her junior year to start writing checks for tuition, though."

  • 4. Transportation

    Even getting to and from school can get pricey. Confronted with the option to pay $1,500 a year for a school bus to come, the Krause family decided to drive their daughter both ways each day instead--a cost of about $150 a week, Krause estimates. For students who have a bus option but would prefer to transport themselves, there may be an additional cost, too: "If you're a senior and you're looking forward to driving your car and parking at a high school lot, parking fees have gone up," AASA's Domenech notes.

  • 5. Special occasions

    From senior trips to prom tickets, parents may find themselves opening up their wallets frequently--or facing the crestfallen faces of their teens when they hear the word "no." Even graduating from public high school can be costly once gowns, caps, tassels, and ceremony tickets are purchased. "I know this is all optional, but it's part of the high school experience, and it's all hidden costs," says Yvonne Johnson, a Delaware parent whose daughter goes to the <a href="http://www.usnews.com/education/best-high-schools/delaware/districts/charter-school-of-wilmington/the-charter-school-of-wilmington-4580" target="_hplink">Charter School of Wilmington.</a> "It's not always easy to say no to them, [but my daughter's] going to college, and you've got think about all those expenses." [Find out <a href="http://www.usnews.com/education/best-colleges/paying-for-college/articles/2011/09/13/get-your-kids-financially-ready-for-college-early" target="_hplink">how to talk to your children about money</a>.] The balance of costs and involvement will differ for each family, as you work as a team to figure out what you can pay for--and what you think you should. For the Montana-based Drange family, for instance, having no money saved for college was "the trade-off," mother Jodi reasons. "My kids are super, super involved in everything--I just think it's part of a well-rounded education, so we pay," Drange says. "We might not to do this or that, you know, 'cause I think the kids comes first in our lives."