George Washington Elementary (Data source)
Source data for George Washington 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 | 1660834 | 2403 | - | 2436 | = | -33 | * | (130 | / | 485) | = | -8.84536082 | ||
| 4 | 1660837 | 2451 | - | 2485 | = | -34 | * | (132 | / | 485) | = | -9.25360823 | ||
| 5 | 1660838 | 2464 | - | 2528 | = | -64 | * | (111 | / | 485) | = | -14.64742266 | ||
| 6 | 1660841 | 2489 | - | 2552 | = | -63 | * | (112 | / | 485) | = | -14.54845361 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for George Washington Elementary | -47 | ||||||||||||
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 | 51845 | 2410 | - | 2436 | = | -26 | * | (131 | / | 528) | = | -6.45075756 | ||
| 4 | 51847 | 2467 | - | 2485 | = | -18 | * | (139 | / | 528) | = | -4.73863635 | ||
| 5 | 51849 | 2458 | - | 2528 | = | -70 | * | (143 | / | 528) | = | -18.95833331 | ||
| 6 | 51851 | 2516 | - | 2552 | = | -36 | * | (115 | / | 528) | = | -7.84090908 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for George Washington Elementary | -38 | ||||||||||||
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 | 53368 | 2425 | - | 2436 | = | -11 | * | (124 | / | 563) | = | -2.42273534 | ||
| 4 | 53369 | 2473 | - | 2485 | = | -12 | * | (138 | / | 563) | = | -2.94138542 | ||
| 5 | 53371 | 2476 | - | 2528 | = | -52 | * | (148 | / | 563) | = | -13.66962698 | ||
| 6 | 53373 | 2516 | - | 2552 | = | -36 | * | (153 | / | 563) | = | -9.7833037 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for George Washington Elementary | -29 | ||||||||||||
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 | 53457 | 2412 | - | 2436 | = | -24 | * | (124 | / | 525) | = | -5.66857142 | ||
| 4 | 53459 | 2488 | - | 2485 | = | 3 | * | (127 | / | 525) | = | 0.72571428 | ||
| 5 | 53461 | 2489 | - | 2528 | = | -39 | * | (137 | / | 525) | = | -10.17714282 | ||
| 6 | 53463 | 2517 | - | 2552 | = | -35 | * | (137 | / | 525) | = | -9.1333333 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for George Washington Elementary | -24 | ||||||||||||
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 | 53692 | 2423 | - | 2436 | = | -13 | * | (155 | / | 549) | = | -3.67030964 | ||
| 4 | 53693 | 2490 | - | 2485 | = | 5 | * | (123 | / | 549) | = | 1.12021858 | ||
| 5 | 53694 | 2505 | - | 2528 | = | -23 | * | (129 | / | 549) | = | -5.40437157 | ||
| 6 | 53695 | 2525 | - | 2552 | = | -27 | * | (142 | / | 549) | = | -6.98360654 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for George Washington Elementary | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -47 | -38 | -29 | -24 | -15 | -153.0 | -30.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.6
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 | 60% | 61% | 58% | 61% | 57% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corona-Norco Unified school district | County of Riverside
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.
George Washington Elementary math proficiency
Zero+ meets standard.
46% less $meal
49% less $meal
44% less $meal
49% less $meal
49% 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.