Phnom Penh School and Housing Budget Comparison

This benchmark deliberately holds the household constant: two adults, one child placed in Grade 5, the 2026–27 academic year, and a two-bedroom apartment or condominium leased for 12 months. School figures use the standard published annual-payment basis, with no early-payment, sibling, bank or other conditional discounts. Housing figures are advertised rents in US dollars rather than negotiated lease outcomes. That gives every scenario the same starting line before school transport and first-year cash requirements are added.

Location is part of the comparison, not an afterthought. ISPP is on Hun Neang Boulevard south of central Phnom Penh, so its housing search is centred on the Chak Angrae–Boeung Tumpun–Hun Sen Boulevard corridor. Northbridge sits on Street 2004 in Teuk Thla, making Teuk Thla, Phnom Penh Thmey and nearby Sen Sok the practical search area. For CIS, Grade 5 is at the Koh Pich main campus; the Bassac Garden early-years campus is not interchangeable. The relevant residential cluster runs through Koh Pich, Tonle Bassac and the nearest Bassac Garden streets.

Keeping the same grade and the same home size prevents a common comparison error. A cheaper studio near one school cannot be set against a family-sized unit near another, just as a preschool fee cannot stand in for Grade 5. The benchmark is still not a personalised budget: placement rules can move a child into a different fee band, two children need their own grade-by-grade calculation, and a particular building may add parking or management charges that another includes in rent. A two-child household should check each child's actual fee band and any applicable sibling terms instead of simply doubling the Grade 5 number.

The snapshot date is 29 September 2026. School schedules are tied to the academic year, while rental availability can change by the week. Treat the result as a reproducible starting point: it shows which costs belong together, where the housing trade-offs sit, and where a public number is missing. It does not guarantee a school place, a bus seat, a negotiated rent or a particular commute, and it says nothing about educational quality. A different grade, home size or residential tolerance can be recalculated from the same framework without pretending that this one household represents every family. In practical terms, that means changing only the lines that genuinely move: the child's fee band, the housing corridor, the home size and the transport available to the exact address. This is most useful before a lease is signed, when the school shortlist may already be narrow but the family's residential choice is still flexible.

Tuition is only the first line of the school bill. For a family budget, the useful annual figure is tuition plus any compulsory annual capital or facility charge, with entry fees and deposits kept outside that recurring total. That separation matters because the first year can require substantially more cash even when the underlying school cost is unchanged. It also prevents a refundable deposit or a credit against tuition from being presented as if it were money permanently spent.

At ISPP, Grade 5 falls in the KG–Grade 5 band: annual tuition is $21,840 and the annual capital fee is $2,782, producing a recurring school cost of $24,622 on the annual-payment plan. A new student also faces a $250 application fee and a $3,500 entrance fee, both non-refundable, so the confirmed first-year entry add-on is $3,750. ISPP also lists a $750 enrolment deposit that may be required when a place is being secured; it is non-refundable but credited against the first billing period of tuition. Counting that deposit on top of the $24,622 annual bill would therefore double-count the same money. Bus transport and some individual services sit outside the annual school total.

Northbridge charges $22,795 in annual tuition for Grades 2–5 and a $2,840 annual capital fee for KG–Grade 12. That puts the Grade 5 recurring school charge at $25,635. New-student costs are $290 for the application and $2,990 for registration, or $3,280 of non-refundable first-year fees. A separate $1,000 deposit is refundable when the school's withdrawal-notice conditions are met, so it belongs in the liquidity requirement rather than the annual cost. The published full-year round-trip bus fee is an optional $2,300 and is added only in transport scenarios that use it.

For CIS, the current 2026–27 published-fee data puts the Grade 5 annual school total at $18,500. The fee structure includes a $1,200 annual capital charge, so that amount is already inside the $18,500 rather than an extra line to add again. Standard one-time application and enrolment charges are $250 and $500, adding $750 in the first year. CIS also refers to deposits used to confirm enrolment, but a current public amount that can be safely attached to this Grade 5 scenario could not be confirmed from the accessible material. The missing deposit is therefore left as an explicit unknown, not treated as zero. Current promotions and payment-linked discounts are excluded from the benchmark.

The first-year contrast is different from the annual-school contrast. ISPP adds $3,750 of confirmed non-refundable entry charges, Northbridge adds $3,280 plus a $1,000 refundable deposit, and CIS adds $750 while leaving the school-deposit amount unquantified. Payment timing can change the cash-flow profile as well: semester or term plans do not necessarily sum to the annual-plan figure, and the due dates can concentrate cash at different points of the year. This comparison keeps all three schools on the standard annual basis so that payment convenience is not confused with underlying cost. None of these numbers ranks the schools; they simply establish the school component that can be combined with the same housing and transport logic. Keeping the first-year line separate also exposes a practical cash-flow issue: admission charges, a rental deposit and the first large school payment can arrive close together even when the annual budget itself looks manageable. That timing matters during a move, but it should not be disguised as a permanently higher yearly cost.

The defaults illustrate the ISPP benchmark: Grade 5, a $550 typical monthly rent and the Zone A bus. Recurring year = tuition + mandatory annual school fees + transport + monthly rent × 12. First-year cash need = recurring year + one-time non-refundable charges + any refundable deposits entered; deposits remain visible as a separate line so they are not mistaken for spending. A blank deposit field means “not entered,” not “no deposit.” CIS transport is not publicly priced, so it should not be replaced with zero.

Housing creates a larger swing between the three scenarios than a tuition-only comparison suggests. For the 29 September 2026 snapshot, each school corridor is represented by eight comparable two-bedroom long-term apartment or condominium asks. Rooms, villas, penthouses, short stays and clearly hotel-style serviced products are excluded. The resulting low / typical / high monthly markers are about $300 / $550 / $650 for the ISPP southern corridor, $650 / $850 / $1,000 around Northbridge, and $950 / $1,250 / $1,350 for the CIS Koh Pich–Tonle Bassac cluster. These are advertised asking rents, not evidence of the price a landlord will ultimately accept.

The southern corridor mixes very different but still plausible family housing. Simple two-bedroom apartments in Boeung Tumpun can appear around $280–300, while newer condominium stock in Chak Angrae and along the 60M/Hun Sen Boulevard axis is more often in the $550–680 range. A $300 walk-up is not functionally identical to a $650 modern condominium: lifts, pools, building management, parking and included services can differ. The band is useful because it shows the price of those trade-offs inside the same school-oriented geography, not because every unit is interchangeable.

Around Northbridge, comparable two-bedroom stock sits higher. Phnom Penh Thmey, Teuk Thla and the nearby Sen Sok corridor include units around $500–650, while larger or more amenity-heavy apartments and condos can reach roughly $950–1,400. The working markers of $650, $850 and $1,000 should not be read as a citywide or district-wide market index. A basic apartment, a recent condominium with a pool and a larger furnished unit may all share the same district label while offering very different living conditions. The relevant comparison is the family-sized stock that actually keeps the school route practical.

The CIS cluster brings a different trade-off. Koh Pich and Tonle Bassac are central and contain a deeper pool of newer or higher-specification housing, but comparable two-bedroom asks are usually higher than in the other two corridors. The current markers are about $950, $1,250 and $1,350 per month. Building choice still matters as much as the neighbourhood name: floor area, furnishing quality, parking, management, view and included utilities can move the ask by several hundred dollars. Clearly hotel-like serviced packages with regular cleaning or bundled hospitality services are excluded when they cease to be comparable with an ordinary long-term home.

On a 12-month basis, those bands become roughly $3,600 / $6,600 / $7,800 for the ISPP corridor, $7,800 / $10,200 / $12,000 around Northbridge, and $11,400 / $15,000 / $16,200 around CIS. That is large enough to reverse an impression formed from school fees alone. CIS has the lowest confirmed Grade 5 school charge of the three, but the selected central housing cluster carries the highest typical ask. Northbridge has the highest recurring school charge, yet its housing gap versus CIS offsets part of that difference. The combined number is more informative than either headline rent or headline tuition in isolation.

No universal rental deposit is added to these annual housing figures. Some listings specify one month, others two, and many leave the deposit for negotiation; the same problem applies to electricity, water, internet, parking and building charges. Where a compulsory separate management fee is clearly stated, it belongs in the home's real annual cost, but it would be misleading to invent one standard allowance for every building. Rental deposits are better treated as first-year liquidity, not annual spending, while utilities remain household-specific. The figures above are a dated rent benchmark for comparable two-bedroom homes, not a promise about a signed lease. A family choosing a cheaper unit should therefore compare the actual lease inclusions and move-in terms, not assume that the monthly headline alone captures the difference. The same applies at the upper end: paying more may buy space or services, but those features are not automatically worth the premium for every household.

School transport becomes useful when it is treated as another annual line beside rent not as a vague convenience. ISPP publishes two zones for 2026–27. An eligible home within 5 km of the school falls into Zone A, with a standard annual two-way fee of $1,590; other served addresses fall into Zone B at $1,936. The school also makes clear that routes and seats are limited. Its 5% full-year prepayment discount is not used here because the benchmark excludes conditional discounts.

Northbridge publishes a simpler full-year figure: $2,300 for daily round-trip transport, or $1,150 per semester. It is optional and sits outside tuition. CIS confirms that it operates buses across central Phnom Penh and four-seat electric buggies on Koh Pich and in the Bassac Garden area, but its current public service page does not publish a 2026–27 price. Substituting the Northbridge fee, a taxi estimate or a fuel allowance would create false precision. The CIS family budget therefore remains a confirmed subtotal before school transport, not a made-up full total.

Using the typical asking rent shows the scale. ISPP combines $24,622 in recurring school charges with $6,600 of annual housing, giving $31,222 before transport; adding the published bus produces $32,812 in Zone A or $33,158 in Zone B. Northbridge combines $25,635 of school charges with $10,200 of housing: $35,835 before the bus and $38,135 with the full-year round trip. CIS combines $18,500 of school charges with $15,000 of housing, yielding a confirmed $33,500 subtotal before its unpublished transport price. At the low housing marker, the corresponding figures are $29,812–30,158 for ISPP with the bus, $35,735 for Northbridge with the bus, and $29,900 for CIS before transport. At the high marker they rise to about $34,012–34,358, $39,935 and $34,700 before CIS transport. One-time admission fees and refundable deposits stay outside all of these recurring totals.

The comparison also produces a useful threshold without pretending to know commute times. A $200 monthly rent difference is $2,400 a year, almost the full Northbridge bus fee. A $150 monthly difference is $1,800 a year, between ISPP's Zone A and Zone B annual charges. That does not prove that living farther away is better: the route must serve the address, the timetable must fit the household, and parents may still have competing work journeys. Private taxis and a family car are deliberately not assigned one standard annual cost because distance, frequency and household routine vary too much. The defensible comparison is the confirmed rent difference against the confirmed school-transport fee; convenience should be tested on the family's actual route, not converted into an invented dollar value.