Staffroom at St Bride's Books in Order

These books take the boarding school story and shift the spotlight away from the pupils. The real action happens in the staffroom, where new English teacher Gemma Lamb arrives looking for a job, a roof over her head and a clean break from a controlling boyfriend. St Bride's seems like the perfect refuge, a traditional girls' boarding school set in the Cotswolds, full of routines, rules and old-fashioned charm. Then Gemma discovers that nearly every adult on the premises is hiding something.

This is a school story for grown-ups.

Gemma is the right guide because she is new enough to notice what does not fit. The staff around her are a gift to any mystery reader: the headmistress with her iron grip, glamorous and slippery colleagues, loyal friends, cranky traditionalists, and the sports teacher Joe Spryke, who becomes increasingly important to Gemma on and off duty. The pupils matter, but mainly as catalysts, witnesses and occasional pranksters. The real tension comes from staff politics, secrets from the past, and questions about who can be trusted when the school's future is at stake.

The setting does a lot of work here. A grand old school estate is both romantic and fragile, and St Bride's depends on reputation, money and history as much as lesson plans. Because Gemma lives on site, the boundaries between work and private life vanish. A threat to the school is also a threat to her home, her livelihood and the relationships she is only just beginning to build.

No one at St Bride's gets to leave the drama at the office door.

That mix gives the series its tone. There is plenty of affectionate fun at the expense of school customs, eccentric colleagues and the strange little kingdoms that institutions create. But the stakes are real. Claims on property, whispered scandal, missing books, strange visitors and the constant question of how to keep the school going give the mysteries shape from book to book.

If you grew up on boarding school stories, you will spot the nods to that tradition, but this series is not trying to recreate children's fiction. It keeps the nostalgia, then adds adult money problems, romantic complications and staffroom rivalries. The result is cozy mystery with a comic edge, a strong sense of place and an ensemble cast you can happily spend time with between lessons.