Casa de Oro Elementary (Data source)
Source data for Casa de Oro 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 | 2181741 | 2404 | - | 2436 | = | -32 | * | (45 | / | 192) | = | -7.5 | ||
| 4 | 2181742 | 2431 | - | 2485 | = | -54 | * | (49 | / | 192) | = | -13.78124998 | ||
| 5 | 2181745 | 2477 | - | 2528 | = | -51 | * | (46 | / | 192) | = | -12.21874998 | ||
| 6 | 2181746 | 2493 | - | 2552 | = | -59 | * | (52 | / | 192) | = | -15.97916665 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Casa de Oro Elementary | -49 | ||||||||||||
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 | 67022 | 2407 | - | 2436 | = | -29 | * | (51 | / | 188) | = | -7.86702126 | ||
| 4 | 67023 | 2426 | - | 2485 | = | -59 | * | (42 | / | 188) | = | -13.18085105 | ||
| 5 | 67026 | 2434 | - | 2528 | = | -94 | * | (52 | / | 188) | = | -25.99999994 | ||
| 6 | 67028 | 2500 | - | 2552 | = | -52 | * | (43 | / | 188) | = | -11.89361701 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Casa de Oro Elementary | -59 | ||||||||||||
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 | 68849 | 2384 | - | 2436 | = | -52 | * | (44 | / | 159) | = | -14.38993707 | ||
| 4 | 68851 | 2437 | - | 2485 | = | -48 | * | (39 | / | 159) | = | -11.77358486 | ||
| 5 | 68852 | 2473 | - | 2528 | = | -55 | * | (35 | / | 159) | = | -12.10691823 | ||
| 6 | 68854 | 2495 | - | 2552 | = | -57 | * | (41 | / | 159) | = | -14.6981132 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Casa de Oro Elementary | -53 | ||||||||||||
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 | 69019 | 2412 | - | 2436 | = | -24 | * | (36 | / | 136) | = | -6.35294117 | ||
| 4 | 69022 | 2432 | - | 2485 | = | -53 | * | (39 | / | 136) | = | -15.19852937 | ||
| 5 | 69023 | 2428 | - | 2528 | = | -100 | * | (32 | / | 136) | = | -23.5294117 | ||
| 6 | 69026 | 2484 | - | 2552 | = | -68 | * | (29 | / | 136) | = | -14.49999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Casa de Oro Elementary | -60 | ||||||||||||
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 | 69558 | 2409 | - | 2436 | = | -27 | * | (51 | / | 152) | = | -9.05921051 | ||
| 4 | 69559 | 2452 | - | 2485 | = | -33 | * | (35 | / | 152) | = | -7.59868418 | ||
| 5 | 69560 | 2456 | - | 2528 | = | -72 | * | (38 | / | 152) | = | -18.0 | ||
| 6 | 69561 | 2500 | - | 2552 | = | -52 | * | (28 | / | 152) | = | -9.57894735 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Casa de Oro Elementary | -44 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -49 | -59 | -53 | -60 | -44 | -265.0 | -53.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.0
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 | 77% | 74% | 75% | 81% | 75% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
La Mesa-Spring Valley school district | County of San Diego
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.
Casa de Oro Elementary math proficiency
Zero+ meets standard.
64% less $meal
62% less $meal
62% less $meal
69% less $meal
65% 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.