STI Education Systems HoldingsPHS:STI -0.83%98 Operating Margin % is 43.19% as of Mar. 2026, which is 49% above its 10-year median of 28.92. GuruFocus rates PHS:STI with a GF Score™ of 98/100 and a GF Value™ of ₱1.36 (Modestly Undervalued). The stock has 1 warning sign investors should review. Among 255 Education companies, STI Education Systems Holdings ranks better than 94.12% on this metric.
STI Education Systems Holdings (PHS:STI) Operating Margin % Explanation
Just like Gross Margin %, it is important to see a company maintains its operating margin over time. Among the same industry, a company with higher operating margin is more efficient in its operation. It is also more stable during industry slowdown or recessions. Peter Lynch prefers those with higher margins than those with lower margins.
Be Aware
Operating Margin % can be manipulated by adjusting the rate of depreciation, depletion and amortization (DDA).
If a company is facing competition, its Operating Margin % may decline. Often the Operating Margin % declines well before the company's Revenue or even profit decline. Therefore, Operating Margin % is a very important indicator of whether the company is facing problems.
For instance, by 2012, Nokia (NOK)'s problems were well known and its stock had lost more than 90% of its market value since 2007. But Nokias Operating Margin % had already been in decline since 2002, although its Earnings per Share (Diluted) were still rising. Investors who paid attention to Operating Margin % would have avoided this huge loss. The same can be said for Research-in-Motion (RIMM).
Therefore, Operating Margin % is a very important screening filter for GuruFocus. GuruFocus's Buffett-Munger screener requires that the profit margin is either consistent or expanding. The Model Portfolio of the Buffett-Munger screener has outperformed the market every year since inception in 2009.
STI Education Systems Holdings Operating Margin % Related Terms
STI Education Systems Holdings Operating Margin % Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
STI Education Systems Holdings Operating Margin % Chart
PHS:STI vs EDU, TAL, LAUR: Operating Margin % Comparison
For the Education & Training Services subindustry, STI Education Systems Holdings's Operating Margin %, along with its competitors' market caps and Operating Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
STI Education Systems Holdings Operating Margin % vs Education Industry
For the Education industry and Consumer Defensive sector, STI Education Systems Holdings's Operating Margin % distribution charts can be found below:
* The bar in red indicates where STI Education Systems Holdings's Operating Margin % falls into.
STI Education Systems Holdings Operating Margin % Calculation
Operating Margin % - also known as operating income margin, operating profit margin and return on sales (ROS) - is the ratio of Operating Income divided by net sales or Revenue, usually presented in percent.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
STI Education Systems Holdings (PHS:STI) has a Operating Margin % of 43.19% as of Mar. 2026. Operating margin is the ratio of total operating income to net sales. View historical data on STI Education Systems Holdings and its competitors. This is 49% above median its historical median of 28.92. Over the past decade, STI Education Systems Holdings' Operating Margin % has ranged from 11.74 to 42.66. According to the industry distribution chart, STI Education Systems Holdings ranks #15 out of 255 companies in the Education industry, placing it in the top 5.9%.
Is STI Education Systems Holdings' Operating Margin % too high?
STI Education Systems Holdings' current Operating Margin % of 43.19% is 49% above median its 10-year median of 28.92. Over the past 10 years, this metric has ranged from a low of 11.74 to a high of 42.66. The Education industry median Operating Margin % is 9.74. STI Education Systems Holdings' value of 43.19% is 343.4% above this industry median. Based on the distribution chart, STI Education Systems Holdings ranks #15 out of 255 companies in the Education industry, which is in the top quartile — a strong position relative to peers. Overall, STI Education Systems Holdings has a GF Score™ of 98/100 and is considered Modestly Undervalued, reflecting its overall financial health beyond just this single metric.
How does STI Education Systems Holdings' Operating Margin % compare to EDU and TAL?
According to the Education industry distribution chart, STI Education Systems Holdings ranks #15 out of 255 companies for Operating Margin %. This places STI Education Systems Holdings in the top 6% of its industry — outperforming the majority of peers. The industry median Operating Margin % is 9.74. STI Education Systems Holdings' value of 43.19% is 343.4% above this benchmark. Historically, STI Education Systems Holdings' own Operating Margin % has ranged from 11.74 to 42.66 over the past decade. While the company's 10-year median is 28.92 vs. the industry median of 9.74, STI Education Systems Holdings has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Operating Margin % for an Education company?
The median Operating Margin % among Education companies is 9.74, based on 255 companies in the industry. Companies in the top quartile (top 25%) have a Operating Margin % significantly above this median, while those in the bottom quartile fall well below. However, Operating Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. STI Education Systems Holdings's current Operating Margin % of 43.19% is 343.4% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Operating Margin % mean?
A high Operating Margin % can signal that a stock is expensive relative to its fundamentals. Operating margin is the ratio of total operating income to net sales. View historical data on STI Education Systems Holdings and its competitors. For the Education industry, the median Operating Margin % is 9.74 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. STI Education Systems Holdings's current Operating Margin % is 43.19%, which is 49% above median its own 10-year median of 28.92. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is STI Education Systems Holdings stock overvalued right now?
Based on GuruFocus' analysis, STI Education Systems Holdings (PHS:STI) is currently considered Modestly Undervalued. The stock's GF Value™ is ₱1.36, compared to a current price of ₱1.20 — trading 11.8% below its estimated fair value. The current Operating Margin % is 43.19%, which is 49% above median its 10-year median of 28.92 and 343.4% above the Education industry median of 9.74. STI Education Systems Holdings' overall GF Score™ is 98/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Operating Margin % calculated?
Operating Margin % is calculated from a company's financial statements. For STI Education Systems Holdings (PHS:STI), the current Operating Margin % is 43.19% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is STI Education Systems Holdings (PHS:STI) Overvalued in 2026?
Based on GuruFocus' analysis, STI Education Systems Holdings stock appears to be undervalued.
The current stock price of ₱1.20 is trading 11.8% below its estimated GF Value™ of ₱1.36.
GuruFocus considers STI Education Systems Holdings to be Modestly Undervalued.
Key valuation signals for PHS:STI:
Operating Margin %: 43.19% (49% above median its 10-year median of 28.92)
GF Value™: ₱1.36 vs. price of ₱1.20 (11.8% below fair value)
Industry Position: 343.4% above the Education median (#15 of 255)
No single metric tells the full story. See the PHS:STI stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
STI Education Systems Holdings Business Description
STI Education Systems Holdings Inc is a Philippine investment holding company focused on education and education-related activities through subsidiaries that operate schools offering basic education, Senior High School, tertiary, post-graduate, and non-degree programs. The majority of its revenues come from educational services provided over time. It is organized into five geographical segments: Metro Manila, Northern Luzon, Southern Luzon, Visayas, and Mindanao, with the majority of revenue coming from Metro Manila.
98GF Score
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