North Broadway Elementary (Data source)
Source data for North Broadway 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 | 2161684 | 2403 | - | 2436 | = | -33 | * | (89 | / | 258) | = | -11.38372092 | ||
| 4 | 2161685 | 2437 | - | 2485 | = | -48 | * | (96 | / | 258) | = | -17.8604651 | ||
| 5 | 2161688 | 2483 | - | 2528 | = | -45 | * | (73 | / | 258) | = | -12.73255812 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for North Broadway 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 | 66364 | 2420 | - | 2436 | = | -16 | * | (124 | / | 304) | = | -6.52631578 | ||
| 4 | 66366 | 2447 | - | 2485 | = | -38 | * | (90 | / | 304) | = | -11.24999998 | ||
| 5 | 66368 | 2489 | - | 2528 | = | -39 | * | (90 | / | 304) | = | -11.54605261 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for North Broadway Elementary | -29 | ||||||||||||
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 | 68191 | 2413 | - | 2436 | = | -23 | * | (110 | / | 325) | = | -7.78461537 | ||
| 4 | 68193 | 2463 | - | 2485 | = | -22 | * | (125 | / | 325) | = | -8.46153845 | ||
| 5 | 68194 | 2480 | - | 2528 | = | -48 | * | (90 | / | 325) | = | -13.29230765 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for North Broadway Elementary | -30 | ||||||||||||
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 | 68347 | 2426 | - | 2436 | = | -10 | * | (89 | / | 310) | = | -2.87096774 | ||
| 4 | 68349 | 2439 | - | 2485 | = | -46 | * | (96 | / | 310) | = | -14.24516127 | ||
| 5 | 68351 | 2487 | - | 2528 | = | -41 | * | (125 | / | 310) | = | -16.53225805 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for North Broadway Elementary | -34 | ||||||||||||
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 | 68855 | 2423 | - | 2436 | = | -13 | * | (106 | / | 284) | = | -4.85211267 | ||
| 4 | 68856 | 2450 | - | 2485 | = | -35 | * | (85 | / | 284) | = | -10.47535209 | ||
| 5 | 68857 | 2501 | - | 2528 | = | -27 | * | (93 | / | 284) | = | -8.84154928 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for North Broadway Elementary | -24 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -42 | -29 | -30 | -34 | -24 | -159.0 | -31.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -13.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -49.8
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 | 50% | 52% | 63% | 63% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Escondido Union 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.
North Broadway Elementary math proficiency
Zero+ meets standard.
42% less $meal
43% less $meal
51% less $meal
51% less $meal
50% 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.