Canoas Elementary (Data source)
Source data for Canoas 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 | 2708177 | 2410 | - | 2436 | = | -26 | * | (70 | / | 175) | = | -10.4 | ||
| 4 | 2708178 | 2427 | - | 2485 | = | -58 | * | (47 | / | 175) | = | -15.57714282 | ||
| 5 | 2708181 | 2480 | - | 2528 | = | -48 | * | (58 | / | 175) | = | -15.90857141 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Canoas Elementary | -42 | ||||||||||||
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 | 82460 | 2381 | - | 2436 | = | -55 | * | (48 | / | 156) | = | -16.92307689 | ||
| 4 | 82463 | 2452 | - | 2485 | = | -33 | * | (61 | / | 156) | = | -12.90384615 | ||
| 5 | 82464 | 2472 | - | 2528 | = | -56 | * | (47 | / | 156) | = | -16.87179486 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Canoas Elementary | -47 | ||||||||||||
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 | 84753 | 2400 | - | 2436 | = | -36 | * | (51 | / | 165) | = | -11.12727272 | ||
| 4 | 84754 | 2410 | - | 2485 | = | -75 | * | (50 | / | 165) | = | -22.72727273 | ||
| 5 | 84757 | 2488 | - | 2528 | = | -40 | * | (64 | / | 165) | = | -15.51515148 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Canoas Elementary | -49 | ||||||||||||
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 | 84969 | 2396 | - | 2436 | = | -40 | * | (27 | / | 125) | = | -8.64 | ||
| 4 | 84970 | 2451 | - | 2485 | = | -34 | * | (48 | / | 125) | = | -13.056 | ||
| 5 | 84973 | 2475 | - | 2528 | = | -53 | * | (50 | / | 125) | = | -21.2 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Canoas Elementary | -43 | ||||||||||||
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 | 85562 | 2410 | - | 2436 | = | -26 | * | (45 | / | 111) | = | -10.54054053 | ||
| 4 | 85563 | 2452 | - | 2485 | = | -33 | * | (25 | / | 111) | = | -7.43243243 | ||
| 5 | 85564 | 2501 | - | 2528 | = | -27 | * | (41 | / | 111) | = | -9.97297296 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Canoas Elementary | -28 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -42 | -47 | -49 | -43 | -28 | -209.0 | -41.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.8
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 | 70% | 71% | 74% | 74% | 76% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Jose Unified school district | County of Santa Clara
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.
Canoas Elementary math proficiency
Zero+ meets standard.
62% less $meal
59% less $meal
65% less $meal
64% less $meal
66% 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.