Classroom layout for 25 students
25 desks in rows of single desks, in a 26 × 27 ft (7.93 × 8.23 m) room: 28.1 sq ft per pupil, with 914 mm aisles and a 915 mm route along the door wall.
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- 702 sq ftinside the walls, 26 × 27 ft (7.93 × 8.23 m)
- 25pupil desks, in rows of single desks
- 28.1 sq ftof floor per pupil
- 914 mmaisles between desk columns (36 in)
- 0Plan check findings: no blocking issue, no clearance warning
THE PLAN
The floor plan, room by room
Measured inside the walls. The plan opens in the planner exactly as drawn here: move, add or remove anything.
| Room | Size inside the walls | Floor |
|---|---|---|
| Classroom for 25 students | 26 × 27 ft (7.93 × 8.23 m) | 702 sq ft |
1 door and 2 windows; walls 150 mm thick. The planner's own room labels measure to the walls' centre lines, so they read a little more.
| Item | Count |
|---|---|
| Mobile teaching board | 2 |
| Desk · Scandinavian Trestle | 1 |
| Chair · Office — Studio | 1 |
| Bookshelf · Open Box — Studio | 1 |
| Student desk | 25 |
| Chair · Shell — Studio | 25 |
ROOM SIZE
How big should a classroom for 25 students be?
This room gives 28.1 sq ft (2.61 m²) per pupil. England's Building Bulletin 103 sizes standard classrooms at 55 to 62 m² for 30 pupils [1]; Arizona sets a minimum per student by grade [2]; California sets a general classroom's floor [3]. Scaled per pupil, BB103 places this room above zone D.
| Grade | Arizona minimum | Arizona, this room | California room | California, this room |
|---|---|---|---|---|
| Grades 1–3 | 32 sq ft per student | Short: room for 21 | 960 sq ft | Smaller by 258 sq ft |
| Grades 4–6 | 28 sq ft per student | Meets it: room for 25 | 960 sq ft | Smaller by 258 sq ft |
| Grades 7–8 | 26 sq ft per student, 90% of the room counted | Short: room for 24 | 960 sq ft | Smaller by 258 sq ft |
| Grades 9–12 | 25 sq ft per student, 85% of the room counted | Short: room for 23 | 960 sq ft | Smaller by 258 sq ft |
Arizona's figure is a district-wide minimum of classroom area, not a size for each room [2]; California's applies to new school plans [3]. Per-pupil scaling of BB103 is approximate away from 30 pupils [1].
| Arrangement | Desks that fit |
|---|---|
| Rows (this plan) | 25 |
| Pairs | 30 |
| Groups of 4 | 24 |
| Horseshoe | 22 |
From the seating arrangement calculator, with the plan's 610 × 457 mm desks, its 2,000 mm clear zone at the boards and a route along one side wall: a 483 mm chair line behind each seated desk edge and a 305 mm accessway behind it [4], 914 mm aisles [4] and 915 mm routes [5]. This plan uses every place in rows of single desks.
IN PRACTICE
The classroom for 25 students in practice
Single desks in rows suit tests, lectures and classes where pupils work alone: every desk faces the boards, and every desk has an aisle beside it, so the teacher reaches any pupil without passing behind another.
The price is width. The calculator fits only 25 single desks in this 26 ft wide room, with the route along the door wall only; the same room takes 30 desks in pairs. For a class that also works in pairs, the classroom for 30 students plan shows that layout.
PLAN CHECK
What the planner checked
The planner's Plan check ran on this plan as it ships: walls, doors and their approaches, a way from the entrance to every room, items inside their rooms and clear of each other, and the clearance guidance below. It found nothing blocking and no guidance warnings.
Plan check is guidance for an early layout, not a code, accessibility or safety review. Local codes, the equipment you buy and a qualified professional decide the final plan.
AT THIS SIZE
What changes at this size
- 25 pupils sit in five rows of five single desks, every column with an aisle beside it, and the accessible route along the door wall only.
- Rows cost width: in this room the seating calculator fits 25 single desks in rows but 30 in pairs, because each single desk is a column of its own with an aisle beside it.
- Against the classroom for 20 students: 78 sq ft more floor for 5 more pupils.
OTHER SIZES
Compared with the other sizes
| Plan | Room | Area | Sq ft per pupil | Arrangement |
|---|---|---|---|---|
| Classroom for 20 students | 26 × 24 ft | 624 sq ft | 31.2 | groups of four |
| Classroom for 25 students (this plan) | 26 × 27 ft | 702 sq ft | 28.1 | rows of single desks |
| Classroom for 30 students | 26 × 28 ft | 728 sq ft | 24.3 | pairs of desks |
QUESTIONS
Questions about this plan
How big is a classroom for 25 students?
This plan's room is 26 × 27 ft, 702 sq ft (65.2 m²): 28.1 sq ft per pupil. Arizona asks 25 to 32 sq ft per student depending on grade, as a district-wide minimum; California asks at least 960 sq ft for a general classroom in grades one to twelve; England's BB103 gives 55 to 62 m² for 30 pupils. [2, 3, 1]
Which seating arrangement fits 25 students in this room?
With the plan's desks and walkways at their published minimums, the room fits 25 in rows of single desks, 30 in pairs of desks, 24 in groups of four, 22 in a horseshoe. The plan uses rows of single desks. [4]
Why rows for 25 students?
In this 26 × 27 ft room, rows give exactly 25 desks facing the boards with an aisle beside every desk. Pairs would fit 30 and groups 24; open the plan and rearrange it if your class works in pairs or groups. [4]
References
Sources of the figures this page compares the plan with.
- Building Bulletin 103: Area guidelines for mainstream schoolsDepartment for Education (England), June 2014. p.12, spaces with a depth of less than 7 m; p.16, primary classrooms in zone C (55 to 62 m² for 30 pupils), zone D (62 to 69 m²) and zone B classbases (50 to 55 m²); p.19, secondary general classrooms in zone C; p.31, the area in front of lockers, typically 0.75 m deep; p.33, corridor widths and the 1.2 m circulation strip.Non-statutory guidance for schools in England, to be applied flexibly. Other UK nations publish their own.
- Arizona Administrative Code R7-6-210, Classroom Square FootageLegal Information Institute, Cornell Law School. (A), minimum square feet per student: 32 through grade 3, 28 for grades 4 to 6, 26 for grades 7 and 8, 25 for grades 9 to 12; (B), measured from interior wall to interior wall; (C), the share of that area that counts: 100% of general classroom space through grade 6, 90% for grades 7 and 8, 85% for grades 9 to 12.A minimum of cumulative classroom area for a school district, not a size for each room.
- California Code of Regulations, title 5, §14030, Standards for Development of Plans for the Design and Construction of School FacilitiesLegal Information Institute, Cornell Law School. (g)(1)(A), general classrooms for grades 1 to 12 not less than 960 ft², smaller rooms needing written justification; (h)(2)(A), kindergarten classrooms in permanent structures not less than 1,350 ft².California's standards for new school plans.
- Minnesota Rules 1305.1018, Section 1018, Aisles (the International Building Code's aisle section as amended in Minnesota)Legal Information Institute, Cornell Law School. §1018.1, aisles and aisle accessways from all occupied portions of the exit access; §1018.2, measured to a line 19 in (483 mm) from a table or counter edge where seating is; §1018.2.1, aisle accessway 12 in (305 mm) plus 0.5 in (12.7 mm) per foot beyond 12 ft; §1018.2.2, aisles at least 36 in (914 mm).One state's adoption of the model code; other jurisdictions number and amend these sections differently, and a fire code may add classroom rules.
- 2010 ADA Standards for Accessible DesignU.S. Access Board. §226.1, at least 5 percent of work surfaces for other than employees; §226.2, dispersed; Advisory 902.1, work surfaces include writing surfaces and study carrels; §902.3, height 28 to 34 in (710 to 865 mm); §902.4, children's surfaces 26 to 30 in (660 to 760 mm), knee clearance 24 in (610 mm); §305.3, clear floor space 30 x 48 in (760 x 1220 mm); §304.3.1, turning space 60 in (1525 mm); §403.5.1, walking surfaces 36 in (915 mm), 32 in (815 mm) for up to 24 in (610 mm).
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