PLANS OF GRAMMAR SCHOOL-HOUSE, No. 47, NEW YORK CITY. THE elevation represents the new School-house erected in Twelfth Street, between Broadway and University Place, for a Grammar School for girls. The building has a front of 94 feet, and is 100 feet deep and 4 stories high. It is built of brick, the basement having a brown stone front, well finished, with an excellent architectural effect.

Figure No. 2, is the ground floor, chiefly occupied as the play-ground for the scholars, extending under nearly the whole building, and protected from the weather by doors and walls. In fine weather the doors being thrown open, ample room is afforded for exercise.

The lettering in the plan will enable the reader to see at once the arrangement of the rooms. At the right is the Library and the rooms for the meetings of the School Officers of the Ward. At the left are rooms for the Teachers, and the Janitor, and Wardrobes for the use of the pupils. The water-closets are at the rear part of the building.

SCHOLARS ENTRANCE

There is a cellar under the whole building, where fuel is stored, and the furnaces are placed. Of these there are five, constructed by Messrs. Culver, Simonds & Co., of New York.

The first story is occupied by the Primary Department, and has six class-rooms, as represented in Fig. 3, beside the large room, where the pupils assemble at the opening and close of the school. Four wardrobes are placed on each side of the stairway, where the outer clothing of the scholars are hung during school hours. The stairways, on each side of the house, afford an egress into the play-ground.

The second story, Fig. 4, is the same as the first, except that two of the class-rooms are supplied with desks for the upper classes.

The third story, represented in Fig. 5, is the same, with the exception that all the class-rooms are furnished with desks. This department is for the highest grade of scholars, and is similar, in all its arrangements with respect to wardrobes, &c., to the other departments.

The whole house is furnished with the School Furniture of Joseph L. Ross, and is very handsomely and conveniently arranged for the accommodation of the pupils. The building was erected under the supervision of Thomas R. Jackson, architect; the mason-work being performed by Wm. B. Rhoades, and the carpenter's work by Powers & Schoonmaker.

PLANS OF PUBLIC SCHOOL-HOUSE NUMBER TWENTY Public Grammar School No. 20 is located in Chrystie near Delancey street, in the Tenth Ward. The lot on which the building is situated is 100 feet square.

The main building is 50 by 97 feet, with four wings 25 by 28, and 25 by 33, which give it a frontage of 100 feet. The style of architecture of the front is Corinthian.

There is a cellar under four wings and front of the main building. The cellar is eight feet in the clear.

The basement story is ten feet in the clear, and the ceilings of the three remaining stories are fourteen feet in the clear.

The building is heated with Barrows' furnaces.

The rear stairs and platforms are constructed of stone and inclosed with brick walls, thereby rendering the stairs fire-proof.

The whole cost of the building, including the furniture and fitting up, is about $44,000.

Fig. 1.-PLAY-GROUNDS, JANITOR'S APARTMENTS, &c.