Les Cars Air France (available on leaving the airport)

Round Trip Ticket for 27€ (=36.36 USD)

1 EUR = 1.35 USD;  1 USD = 0.74 EUR (exchange checked on 4/4/10)

Several links in Bastille/Gare de Lyon area from 67€ (=90.23 USD)-129€
http://www.holidaycity.com/paris-bastille/index.html 

More links to hotels in the 12ème Arrondissement
http://www.sites-hotels.com/ile-de-france/hotels_paris/hotel_paris_12.htm

Ibis Bastille
http://www.holidaycity.com/ibis-paris-faubourg-antoine/index.htm

Ibis Gare de Lyon/Diderot (most conveniently located near l'Ecole des Gourmets)
http://www.accorhotels.com/gb/hotel-3211-ibis-paris-gare-de-lyon-diderot-12eme/index.shtml
Tel. (+33)1/43461272
89€ = 128.4537 USD (if booked by internet;  otherwise 123€ = 165.66 USD for 1 double bed, 1 or 2 people)
31 Bis Boulevard Diderot
75012 PARIS

Novotel Gare de Lyon
http://www.accorhotels.com/gb/hotel-1735-novotel-paris-gare-de-lyon/index.shtml
139€
2 rue Hector Malot
75012 PARIS
Tel. (+33)1/44676000

Mercure Gare de Lyon
http://www.accorhotels.com/gb/hotel-2217-mercure-paris-gare-de-lyon/index.shtml
105€
2 place Louis Armand
75012 PARIS
Tel. (+33)1/43448484

Hotel Terminus Lyon
http://ldf.reservit.com/reservit/fiche_htl.php?userid=0898609c145f3c3ee62ee57d2d9f693ff35e&hotelid=3706
129€
19, bd Diderot. - (station : Gare de Lyon).
Tél: +33 (0)1.56.95.00.00

Hotel des Grands Hommes/Pantheon
http://www.hoteldesgrandshommes.com/booking.html
90-270€
17 Place du Pantheon
75005 Paris
01 46 34 19 60

http://www.parlerparisapartments.com

This one is very near l'Ecole des Gourmets: http://www.adrianleeds.com/parlerparis/apartments/rentals/balcon_plante.html