
Every serious investor, from a high school student competing in the Wharton Global High School Investment Competition to a professional managing billions of dollars, relies on the same fundamental source of information: a company's financial statements. These documents are the official record of how a business is performing, revealing how much money it is making, what it owns and owes, and how cash is moving in and out of the company. For WGHS teams, learning to read and interpret financial statements is one of the most valuable skills they can develop, because it transforms investing from guesswork into informed analysis and gives a team genuine credibility with the judges.
At first glance, financial statements can seem intimidating, full of unfamiliar terms and endless rows of numbers. In reality, they follow a clear logic, and once a student understands what each statement is trying to communicate, they become an accessible and powerful tool. This article introduces the three main financial statements, explains what each one reveals about a company, and shows how WGHS teams can use them, along with a few key ratios, to strengthen their research and their investment case.
The Three Main Financial Statements
Public companies are required to publish regular financial reports, and within these reports are three core statements that every investor should know. The income statement shows how profitable a company has been over a period of time. The balance sheet provides a snapshot of what the company owns and what it owes at a particular moment. The cash flow statement tracks the actual movement of cash into and out of the business. Together, these three documents offer a complete picture of a company's financial health, each one illuminating a different aspect of how the business operates.
A useful way to think about them is that the income statement tells you whether the company is making money, the balance sheet tells you how financially strong the company is, and the cash flow statement tells you whether the company actually has the cash it needs to keep going. Because each statement has its own strengths and limitations, the most effective analysis comes from reading them together rather than relying on any single one. For a WGHS team, demonstrating that it understands how these three statements complement one another is a strong signal of analytical maturity.
The Income Statement: Measuring Profitability

The income statement, sometimes called the profit and loss statement, is where most investors begin their analysis because it directly addresses the most basic question about any business: is it profitable? The statement starts at the top with revenue, which is the total amount of money a company earns from selling its products or services. From there, it subtracts the various costs of running the business, such as the cost of producing goods, the expenses of selling and administration, and taxes, until it arrives at the bottom line, which is the net income, or the profit the company actually keeps.
Two numbers on the income statement deserve particular attention. The first is revenue growth, which shows whether the company's sales are increasing over time. A company whose revenue is growing steadily may be gaining customers, expanding into new markets, or benefiting from rising demand, all of which are positive signs for a growth-oriented investor. The second is the profit margin, which measures how much of each dollar of revenue the company converts into profit. A company with high and stable margins has strong control over its costs or possesses some advantage that allows it to charge premium prices. By examining both revenue growth and margins, a WGHS team can quickly assess whether a company is expanding healthily and whether its business model is genuinely profitable.
The Balance Sheet: Understanding Financial Position

While the income statement covers a period of time, the balance sheet captures a single moment, showing exactly what a company owns and owes as of a specific date. It is built around a simple equation: a company's assets must equal its liabilities plus its shareholders' equity. Assets are what the company owns, such as cash, inventory, property, and equipment. Liabilities are what the company owes, such as loans and money owed to suppliers. Shareholders' equity represents the net value that belongs to the company's owners after all debts are accounted for.
The balance sheet is essential for understanding a company's financial strength and stability. A key question it helps answer is how much debt the company carries relative to its resources. A company with very high debt may struggle during difficult economic periods, because it must continue making interest payments even when business is slow, while a company with modest debt and plenty of assets is better positioned to weather challenges. This connects directly to the principles of risk management, because a company's financial structure influences how risky it is as an investment. A WGHS team that examines a company's balance sheet and discusses its level of debt and overall financial stability shows judges that it is thinking carefully about risk, not just about potential returns.
The Cash Flow Statement: Following the Money

The cash flow statement is often the least understood of the three, yet it is arguably the most revealing, because it tracks the actual cash moving in and out of a company rather than accounting measures of profit. This matters because a company can appear profitable on its income statement while still running out of cash, and a business without cash cannot pay its bills, invest in growth, or survive difficult times. The cash flow statement cuts through the accounting to show the real movement of money.
The statement is divided into three sections. The first covers cash from operations, which shows how much cash the core business generates, and this is often considered the most important section because it reflects the company's ability to produce cash from its everyday activities. The second covers cash from investing, which includes money spent on things like new equipment or received from selling assets. The third covers cash from financing, which shows money raised through borrowing or issuing shares, as well as money returned to shareholders through dividends or share buybacks. A company that consistently generates strong cash from its operations is generally in a healthier position than one that must constantly borrow to stay afloat. For a WGHS team, noting that a company generates robust operating cash flow adds an extra layer of depth to an investment thesis that many student teams overlook.
Key Ratios for Quick Analysis

While reading the full financial statements provides the most complete picture, investors often use ratios to compare companies quickly and to put the raw numbers into context. A ratio is simply one number divided by another, and it helps express a company's financial situation in a way that is easy to compare across firms of different sizes. Learning a few key ratios can significantly strengthen a WGHS team's analysis and give its report a more professional feel.
One of the most widely used ratios is the price-to-earnings ratio, often abbreviated as P/E, which compares a company's stock price to the profit it earns per share. A high P/E can suggest that investors expect strong future growth, which is common for growth companies, while a lower P/E may indicate that a stock is relatively inexpensive, which often appeals to value investors. Another useful ratio compares a company's debt to its equity, giving a quick sense of how much the company relies on borrowing. Profit margin, discussed earlier, is also expressed as a ratio. Rather than simply calculating these numbers, a strong WGHS team explains what they mean and how they support the team's overall investment argument, connecting the quantitative analysis to the broader thesis.
Putting It All Together for WGHS

The real power of financial statement analysis comes from combining what each document reveals into a coherent understanding of a company. A team might observe that a company's income statement shows strong revenue growth, its balance sheet shows manageable debt, and its cash flow statement shows healthy cash generation from operations. Together, these observations build a compelling case that the company is not only growing but doing so in a financially sound way. Conversely, if the statements tell conflicting stories, such as rising profits alongside growing debt and weak cash flow, that is a warning sign worth investigating and worth acknowledging honestly in the report.
For the WGHS competition, the goal is not to produce an exhaustive financial analysis of the kind a professional might create, but to show genuine engagement with the numbers and to use them to support a reasoned argument. Judges are impressed by teams that can point to specific financial evidence for their choices and explain what that evidence means. Even a few well-chosen observations, clearly explained, can elevate a submission far above one that relies on vague claims about a company being a good investment. This evidence-based approach also connects naturally to the judging criteria, which reward depth of research and analytical rigor.
Final Thoughts
Learning to read financial statements may seem like a daunting step for a high school student, but it is one of the most rewarding investments of time a WGHS team can make. The income statement, balance sheet, and cash flow statement together provide a complete and honest picture of a company's performance and financial health, and a handful of key ratios can help translate those numbers into clear comparisons. By building the habit of grounding investment decisions in real financial evidence, teams develop not only a stronger competition submission but a foundational skill for understanding business and markets.
Perhaps most importantly, financial literacy of this kind extends far beyond the competition itself. The ability to look at a company's numbers and understand what they mean is a skill that empowers students to make informed financial decisions throughout their lives, whether they eventually pursue careers in finance or simply want to manage their own money wisely. In this sense, the effort WGHS students put into learning financial statements is not just preparation for a contest, but an investment in their own long-term capability and confidence.

