Garfield Elementary (Data source)
Source data for Garfield Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 105560 | 2363 | - | 2436 | = | -73 | * | (64 | / | 188) | = | -24.85106376 | ||
| 4 | 105561 | 2435 | - | 2485 | = | -50 | * | (60 | / | 188) | = | -15.9574468 | ||
| 5 | 105564 | 2451 | - | 2528 | = | -77 | * | (64 | / | 188) | = | -26.21276589 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Garfield Elementary | -67 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2970 | 2407 | - | 2436 | = | -29 | * | (79 | / | 215) | = | -10.65581394 | ||
| 4 | 2971 | 2430 | - | 2485 | = | -55 | * | (69 | / | 215) | = | -17.65116276 | ||
| 5 | 2973 | 2477 | - | 2528 | = | -51 | * | (67 | / | 215) | = | -15.89302321 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Garfield Elementary | -44 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 3065 | 2391 | - | 2436 | = | -45 | * | (71 | / | 233) | = | -13.71244635 | ||
| 4 | 3067 | 2429 | - | 2485 | = | -56 | * | (94 | / | 233) | = | -22.59227466 | ||
| 5 | 3070 | 2440 | - | 2528 | = | -88 | * | (68 | / | 233) | = | -25.68240338 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Garfield Elementary | -62 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 3064 | 2383 | - | 2436 | = | -53 | * | (59 | / | 210) | = | -14.89047614 | ||
| 4 | 3065 | 2434 | - | 2485 | = | -51 | * | (63 | / | 210) | = | -15.3 | ||
| 5 | 3068 | 2450 | - | 2528 | = | -78 | * | (88 | / | 210) | = | -32.68571428 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Garfield Elementary | -63 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 3091 | 2364 | - | 2436 | = | -72 | * | (64 | / | 186) | = | -24.77419351 | ||
| 4 | 3092 | 2440 | - | 2485 | = | -45 | * | (59 | / | 186) | = | -14.27419355 | ||
| 5 | 3093 | 2435 | - | 2528 | = | -93 | * | (63 | / | 186) | = | -31.49999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Garfield Elementary | -71 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -67 | -44 | -62 | -63 | -71 | -307.0 | -61.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -31.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -91.4
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 48% | 57% | 60% | 64% | 69% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Leandro Unified school district | County of Alameda
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Garfield Elementary math proficiency
Zero+ meets standard.
42% less $meal
45% less $meal
49% less $meal
54% less $meal
59% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in San Leandro Unified (8)
| Garfield Elementary | Jefferson Elementary | Madison Elementary |
| McKinley Elementary | Monroe Elementary | Roosevelt Elementary |
| Washington Elementary | Wilson Elementary |