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 | 2539805 | 2352 | - | 2436 | = | -84 | * | (72 | / | 427) | = | -14.16393434 | ||
4 | 2539808 | 2404 | - | 2485 | = | -81 | * | (65 | / | 427) | = | -12.33021074 | ||
5 | 2539809 | 2415 | - | 2528 | = | -113 | * | (82 | / | 427) | = | -21.70023411 | ||
6 | 2539812 | 2463 | - | 2552 | = | -89 | * | (76 | / | 427) | = | -15.84074937 | ||
7 | 2539813 | 2499 | - | 2567 | = | -68 | * | (74 | / | 427) | = | -11.78454328 | ||
8 | 2539816 | 2462 | - | 2586 | = | -124 | * | (58 | / | 427) | = | -16.84309124 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Garfield Elementary | -93 |
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 | 77442 | 2403 | - | 2436 | = | -33 | * | (69 | / | 418) | = | -5.44736841 | ||
4 | 77444 | 2414 | - | 2485 | = | -71 | * | (67 | / | 418) | = | -11.38038275 | ||
5 | 77446 | 2443 | - | 2528 | = | -85 | * | (59 | / | 418) | = | -11.99760763 | ||
6 | 77447 | 2463 | - | 2552 | = | -89 | * | (77 | / | 418) | = | -16.39473681 | ||
7 | 77449 | 2472 | - | 2567 | = | -95 | * | (76 | / | 418) | = | -17.2727272 | ||
8 | 77451 | 2476 | - | 2586 | = | -110 | * | (70 | / | 418) | = | -18.42105254 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Garfield Elementary | -81 |
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 | 79579 | 2401 | - | 2436 | = | -35 | * | (72 | / | 422) | = | -5.97156396 | ||
4 | 79580 | 2416 | - | 2485 | = | -69 | * | (66 | / | 422) | = | -10.79146918 | ||
5 | 79583 | 2424 | - | 2528 | = | -104 | * | (63 | / | 422) | = | -15.5260663 | ||
6 | 79585 | 2488 | - | 2552 | = | -64 | * | (58 | / | 422) | = | -8.79620851 | ||
7 | 79586 | 2476 | - | 2567 | = | -91 | * | (82 | / | 422) | = | -17.68246444 | ||
8 | 79589 | 2481 | - | 2586 | = | -105 | * | (81 | / | 422) | = | -20.15402834 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Garfield Elementary | -79 |
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 | 79716 | 2376 | - | 2436 | = | -60 | * | (44 | / | 377) | = | -7.0026525 | ||
4 | 79717 | 2420 | - | 2485 | = | -65 | * | (72 | / | 377) | = | -12.41379308 | ||
5 | 79720 | 2433 | - | 2528 | = | -95 | * | (60 | / | 377) | = | -15.11936334 | ||
6 | 79721 | 2469 | - | 2552 | = | -83 | * | (61 | / | 377) | = | -13.42970818 | ||
7 | 79724 | 2495 | - | 2567 | = | -72 | * | (61 | / | 377) | = | -11.64986734 | ||
8 | 79725 | 2469 | - | 2586 | = | -117 | * | (79 | / | 377) | = | -24.51724131 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Garfield Elementary | -84 |
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 | 80220 | 2409 | - | 2436 | = | -27 | * | (57 | / | 353) | = | -4.35977335 | ||
4 | 80221 | 2442 | - | 2485 | = | -43 | * | (44 | / | 353) | = | -5.35977336 | ||
5 | 80222 | 2434 | - | 2528 | = | -94 | * | (71 | / | 353) | = | -18.90651554 | ||
6 | 80223 | 2487 | - | 2552 | = | -65 | * | (63 | / | 353) | = | -11.60056651 | ||
7 | 80224 | 2473 | - | 2567 | = | -94 | * | (58 | / | 353) | = | -15.44475921 | ||
8 | 80225 | 2513 | - | 2586 | = | -73 | * | (60 | / | 353) | = | -12.40793198 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Garfield Elementary | -68 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-93 | -81 | -79 | -84 | -68 | -405.0 | -81.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -54.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -108.0
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 | 41% | 78% | 79% | 71% | 92% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Redwood City Elementary school district County of San Mateo
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Garfield Elementary math proficiency
Zero+ meets standard.
38% less $meal
66% less $meal
66% less $meal
63% less $meal
78% 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 Redwood City Elementary (9)
Clifford Elementary | Garfield Elementary | Henry Ford Elementary |
Hoover Elementary | North Star Academy | Roosevelt Elementary |
Roy Cloud Elementary | Selby Lane Elementary | Taft Elementary |