El Granada Elementary (Data source)
Source data for El Granada 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 | 2514828 | 2404 | - | 2436 | = | -32 | * | (87 | / | 235) | = | -11.84680848 | ||
| 4 | 2514831 | 2441 | - | 2485 | = | -44 | * | (64 | / | 235) | = | -11.9829787 | ||
| 5 | 2514832 | 2493 | - | 2528 | = | -35 | * | (84 | / | 235) | = | -12.51063828 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for El Granada Elementary | -36 | ||||||||||||
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 | 76684 | 2393 | - | 2436 | = | -43 | * | (62 | / | 224) | = | -11.9017857 | ||
| 4 | 76685 | 2437 | - | 2485 | = | -48 | * | (92 | / | 224) | = | -19.71428568 | ||
| 5 | 76688 | 2496 | - | 2528 | = | -32 | * | (70 | / | 224) | = | -10.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for El Granada Elementary | -42 | ||||||||||||
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 | 78758 | 2396 | - | 2436 | = | -40 | * | (67 | / | 217) | = | -12.3502304 | ||
| 4 | 78761 | 2433 | - | 2485 | = | -52 | * | (57 | / | 217) | = | -13.65898617 | ||
| 5 | 78762 | 2479 | - | 2528 | = | -49 | * | (93 | / | 217) | = | -20.99999997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for El Granada Elementary | -47 | ||||||||||||
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 | 78905 | 2435 | - | 2436 | = | -1 | * | (67 | / | 191) | = | -0.35078534 | ||
| 4 | 78908 | 2463 | - | 2485 | = | -22 | * | (68 | / | 191) | = | -7.83246072 | ||
| 5 | 78909 | 2481 | - | 2528 | = | -47 | * | (56 | / | 191) | = | -13.7801047 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for El Granada Elementary | -22 | ||||||||||||
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 | 79439 | 2399 | - | 2436 | = | -37 | * | (53 | / | 194) | = | -10.10824741 | ||
| 4 | 79440 | 2480 | - | 2485 | = | -5 | * | (66 | / | 194) | = | -1.70103093 | ||
| 5 | 79441 | 2527 | - | 2528 | = | -1 | * | (75 | / | 194) | = | -0.38659794 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for El Granada Elementary | -12 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -36 | -42 | -47 | -22 | -12 | -159.0 | -31.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 10.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -73.8
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 | 49% | 53% | 52% | 49% | 41% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Cabrillo Unified school district | County of San Mateo
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.
El Granada Elementary math proficiency
Zero+ meets standard.
42% less $meal
45% less $meal
42% less $meal
42% less $meal
35% 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 Cabrillo Unified (4)
| Alvin S. Hatch Elementary | El Granada Elementary | Farallone View Elementary |
| Kings Mountain Elementary |