Ramona Elementary (Data source)
Source data for Ramona 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 | 1213935 | 2411 | - | 2436 | = | -25 | * | (86 | / | 587) | = | -3.66269165 | ||
4 | 1213937 | 2486 | - | 2485 | = | 1 | * | (94 | / | 587) | = | 0.16013629 | ||
5 | 1213939 | 2530 | - | 2528 | = | 2 | * | (110 | / | 587) | = | 0.37478705 | ||
6 | 1213940 | 2528 | - | 2552 | = | -24 | * | (110 | / | 587) | = | -4.49744462 | ||
7 | 1213942 | 2569 | - | 2567 | = | 2 | * | (100 | / | 587) | = | 0.3407155 | ||
8 | 1213945 | 2610 | - | 2586 | = | 24 | * | (87 | / | 587) | = | 3.55706983 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ramona Elementary | -4 |
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 | 37723 | 2412 | - | 2436 | = | -24 | * | (82 | / | 582) | = | -3.38144328 | ||
4 | 37725 | 2462 | - | 2485 | = | -23 | * | (92 | / | 582) | = | -3.63573882 | ||
5 | 37727 | 2543 | - | 2528 | = | 15 | * | (86 | / | 582) | = | 2.21649485 | ||
6 | 37730 | 2552 | - | 2552 | = | 0 | * | (108 | / | 582) | = | 0.0 | ||
7 | 37732 | 2563 | - | 2567 | = | -4 | * | (113 | / | 582) | = | -0.7766323 | ||
8 | 37734 | 2623 | - | 2586 | = | 37 | * | (101 | / | 582) | = | 6.42096217 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ramona Elementary | 1 |
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 | 38580 | 2443 | - | 2436 | = | 7 | * | (105 | / | 604) | = | 1.21688741 | ||
4 | 38582 | 2475 | - | 2485 | = | -10 | * | (85 | / | 604) | = | -1.40728476 | ||
5 | 38584 | 2515 | - | 2528 | = | -13 | * | (89 | / | 604) | = | -1.91556291 | ||
6 | 38586 | 2557 | - | 2552 | = | 5 | * | (95 | / | 604) | = | 0.78642384 | ||
7 | 38587 | 2581 | - | 2567 | = | 14 | * | (116 | / | 604) | = | 2.68874172 | ||
8 | 38589 | 2611 | - | 2586 | = | 25 | * | (114 | / | 604) | = | 4.71854303 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ramona Elementary | 6 |
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 | 38555 | 2439 | - | 2436 | = | 3 | * | (85 | / | 581) | = | 0.43889845 | ||
4 | 38556 | 2489 | - | 2485 | = | 4 | * | (104 | / | 581) | = | 0.71600688 | ||
5 | 38558 | 2514 | - | 2528 | = | -14 | * | (88 | / | 581) | = | -2.12048192 | ||
6 | 38560 | 2555 | - | 2552 | = | 3 | * | (97 | / | 581) | = | 0.50086058 | ||
7 | 38562 | 2561 | - | 2567 | = | -6 | * | (91 | / | 581) | = | -0.93975904 | ||
8 | 38564 | 2618 | - | 2586 | = | 32 | * | (116 | / | 581) | = | 6.38898448 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ramona Elementary | 5 |
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 | 38755 | 2444 | - | 2436 | = | 8 | * | (79 | / | 538) | = | 1.17472118 | ||
4 | 38756 | 2480 | - | 2485 | = | -5 | * | (89 | / | 538) | = | -0.82713755 | ||
5 | 38757 | 2529 | - | 2528 | = | 1 | * | (93 | / | 538) | = | 0.17286245 | ||
6 | 38758 | 2555 | - | 2552 | = | 3 | * | (81 | / | 538) | = | 0.45167286 | ||
7 | 38759 | 2564 | - | 2567 | = | -3 | * | (99 | / | 538) | = | -0.55204461 | ||
8 | 38760 | 2610 | - | 2586 | = | 24 | * | (97 | / | 538) | = | 4.32713753 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ramona Elementary | 5 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-4 | 1 | 6 | 5 | 5 | 13.0 | 2.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 14.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -9.4
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 | 79% | 77% | 76% | 78% | 70% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alhambra 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.
Ramona Elementary math proficiency
Zero+ meets standard.
60% less $meal
60% less $meal
60% less $meal
65% less $meal
59% 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.