North Park Elementary (Data source)
Source data for North Park 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 | 1114824 | 2461 | - | 2436 | = | 25 | * | (115 | / | 481) | = | 5.97713098 | ||
| 4 | 1114825 | 2455 | - | 2485 | = | -30 | * | (104 | / | 481) | = | -6.48648648 | ||
| 5 | 1114828 | 2522 | - | 2528 | = | -6 | * | (125 | / | 481) | = | -1.55925155 | ||
| 6 | 1114829 | 2531 | - | 2552 | = | -21 | * | (137 | / | 481) | = | -5.98128896 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for North Park Elementary | -8 | ||||||||||||
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 | 34831 | 2432 | - | 2436 | = | -4 | * | (93 | / | 457) | = | -0.81400438 | ||
| 4 | 34833 | 2487 | - | 2485 | = | 2 | * | (115 | / | 457) | = | 0.50328227 | ||
| 5 | 34835 | 2508 | - | 2528 | = | -20 | * | (119 | / | 457) | = | -5.20787746 | ||
| 6 | 34837 | 2549 | - | 2552 | = | -3 | * | (130 | / | 457) | = | -0.85339168 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for North Park Elementary | -6 | ||||||||||||
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 | 35477 | 2427 | - | 2436 | = | -9 | * | (94 | / | 421) | = | -2.00950118 | ||
| 4 | 35479 | 2468 | - | 2485 | = | -17 | * | (93 | / | 421) | = | -3.7553444 | ||
| 5 | 35482 | 2516 | - | 2528 | = | -12 | * | (117 | / | 421) | = | -3.33491686 | ||
| 6 | 35483 | 2526 | - | 2552 | = | -26 | * | (117 | / | 421) | = | -7.22565319 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for North Park Elementary | -16 | ||||||||||||
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 | 35488 | 2445 | - | 2436 | = | 9 | * | (106 | / | 429) | = | 2.22377622 | ||
| 4 | 35490 | 2483 | - | 2485 | = | -2 | * | (101 | / | 429) | = | -0.47086247 | ||
| 5 | 35492 | 2494 | - | 2528 | = | -34 | * | (103 | / | 429) | = | -8.16317016 | ||
| 6 | 35494 | 2532 | - | 2552 | = | -20 | * | (119 | / | 429) | = | -5.54778554 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for North Park Elementary | -12 | ||||||||||||
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 | 35655 | 2467 | - | 2436 | = | 31 | * | (71 | / | 376) | = | 5.8537234 | ||
| 4 | 35656 | 2486 | - | 2485 | = | 1 | * | (104 | / | 376) | = | 0.27659574 | ||
| 5 | 35657 | 2499 | - | 2528 | = | -29 | * | (94 | / | 376) | = | -7.25 | ||
| 6 | 35658 | 2532 | - | 2552 | = | -20 | * | (107 | / | 376) | = | -5.69148936 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for North Park Elementary | -7 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -8 | -6 | -16 | -12 | -7 | -49.0 | -9.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -21.8
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 | 14% | 15% | 16% | 17% | 17% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saugus Union school district | County of Los Angeles
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.
North Park Elementary math proficiency
Zero+ meets standard.
10% less $meal
11% less $meal
12% less $meal
15% less $meal
14% 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.