Diamond Point Elementary (Data source)
Source data for Diamond Point 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 | 1091728 | 2413 | - | 2436 | = | -23 | * | (54 | / | 205) | = | -6.05853658 | ||
| 4 | 1091729 | 2464 | - | 2485 | = | -21 | * | (31 | / | 205) | = | -3.17560975 | ||
| 5 | 1091732 | 2493 | - | 2528 | = | -35 | * | (63 | / | 205) | = | -10.75609756 | ||
| 6 | 1091733 | 2526 | - | 2552 | = | -26 | * | (57 | / | 205) | = | -7.22926828 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Diamond Point Elementary | -27 | ||||||||||||
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 | 34170 | 2404 | - | 2436 | = | -32 | * | (50 | / | 208) | = | -7.69230768 | ||
| 4 | 34172 | 2479 | - | 2485 | = | -6 | * | (53 | / | 208) | = | -1.52884615 | ||
| 5 | 34174 | 2486 | - | 2528 | = | -42 | * | (42 | / | 208) | = | -8.48076919 | ||
| 6 | 34176 | 2526 | - | 2552 | = | -26 | * | (63 | / | 208) | = | -7.87499999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Diamond Point Elementary | -26 | ||||||||||||
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 | 34781 | 2442 | - | 2436 | = | 6 | * | (52 | / | 194) | = | 1.60824742 | ||
| 4 | 34783 | 2470 | - | 2485 | = | -15 | * | (51 | / | 194) | = | -3.94329896 | ||
| 5 | 34786 | 2483 | - | 2528 | = | -45 | * | (51 | / | 194) | = | -11.82989687 | ||
| 6 | 34787 | 2510 | - | 2552 | = | -42 | * | (40 | / | 194) | = | -8.65979381 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Diamond Point Elementary | -23 | ||||||||||||
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 | 34791 | 2423 | - | 2436 | = | -13 | * | (45 | / | 196) | = | -2.98469387 | ||
| 4 | 34794 | 2481 | - | 2485 | = | -4 | * | (46 | / | 196) | = | -0.93877551 | ||
| 5 | 34795 | 2489 | - | 2528 | = | -39 | * | (50 | / | 196) | = | -9.94897956 | ||
| 6 | 34798 | 2514 | - | 2552 | = | -38 | * | (55 | / | 196) | = | -10.66326527 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Diamond Point Elementary | -25 | ||||||||||||
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 | 34967 | 2426 | - | 2436 | = | -10 | * | (45 | / | 192) | = | -2.34375 | ||
| 4 | 34968 | 2474 | - | 2485 | = | -11 | * | (45 | / | 192) | = | -2.578125 | ||
| 5 | 34969 | 2496 | - | 2528 | = | -32 | * | (47 | / | 192) | = | -7.83333331 | ||
| 6 | 34970 | 2515 | - | 2552 | = | -37 | * | (55 | / | 192) | = | -10.59895832 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Diamond Point Elementary | -23 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -27 | -26 | -23 | -25 | -23 | -124.0 | -24.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -27.8
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 | 59% | 62% | 63% | 63% | 77% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pomona Unified 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.
Diamond Point Elementary math proficiency
Zero+ meets standard.
49% less $meal
50% less $meal
51% less $meal
54% 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.