Henderson Elementary (Data source)
Source data for Henderson 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 | 1945396 | 2401 | - | 2436 | = | -35 | * | (113 | / | 331) | = | -11.94864048 | ||
| 4 | 1945398 | 2455 | - | 2485 | = | -30 | * | (88 | / | 331) | = | -7.97583081 | ||
| 5 | 1945401 | 2490 | - | 2528 | = | -38 | * | (73 | / | 331) | = | -8.38066463 | ||
| 6 | 1945402 | 2498 | - | 2552 | = | -54 | * | (57 | / | 331) | = | -9.29909365 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Henderson Elementary | -38 | ||||||||||||
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 | 59938 | 2382 | - | 2436 | = | -54 | * | (91 | / | 334) | = | -14.71257481 | ||
| 4 | 59940 | 2437 | - | 2485 | = | -48 | * | (116 | / | 334) | = | -16.67065867 | ||
| 5 | 59943 | 2505 | - | 2528 | = | -23 | * | (59 | / | 334) | = | -4.06287424 | ||
| 6 | 59944 | 2498 | - | 2552 | = | -54 | * | (68 | / | 334) | = | -10.99401196 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Henderson Elementary | -46 | ||||||||||||
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 | 61668 | 2382 | - | 2436 | = | -54 | * | (110 | / | 359) | = | -16.54596099 | ||
| 4 | 61671 | 2449 | - | 2485 | = | -36 | * | (98 | / | 359) | = | -9.82729804 | ||
| 5 | 61672 | 2459 | - | 2528 | = | -69 | * | (93 | / | 359) | = | -17.87465176 | ||
| 6 | 61674 | 2502 | - | 2552 | = | -50 | * | (58 | / | 359) | = | -8.0779944 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Henderson Elementary | -52 | ||||||||||||
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 | 61760 | 2372 | - | 2436 | = | -64 | * | (109 | / | 354) | = | -19.70621466 | ||
| 4 | 61762 | 2444 | - | 2485 | = | -41 | * | (93 | / | 354) | = | -10.77118642 | ||
| 5 | 61764 | 2469 | - | 2528 | = | -59 | * | (72 | / | 354) | = | -11.99999997 | ||
| 6 | 61766 | 2480 | - | 2552 | = | -72 | * | (80 | / | 354) | = | -16.2711864 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Henderson Elementary | -59 | ||||||||||||
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 | 62030 | 2384 | - | 2436 | = | -52 | * | (94 | / | 353) | = | -13.84702545 | ||
| 4 | 62031 | 2447 | - | 2485 | = | -38 | * | (108 | / | 353) | = | -11.6260623 | ||
| 5 | 62032 | 2445 | - | 2528 | = | -83 | * | (81 | / | 353) | = | -19.04532575 | ||
| 6 | 62033 | 2440 | - | 2552 | = | -112 | * | (70 | / | 353) | = | -22.2096317 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Henderson Elementary | -67 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -38 | -46 | -52 | -59 | -67 | -262.0 | -52.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -19.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -85.4
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 | 74% | 77% | 77% | 79% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Barstow Unified school district | County of San Bernardino
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.
Henderson Elementary math proficiency
Zero+ meets standard.
67% less $meal
72% less $meal
74% less $meal
75% less $meal
79% 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.
Elementary School (Public) schools in Barstow Unified (7)
| Barstow Fine Arts Academy | Cameron Elementary | Crestline Elementary |
| Henderson Elementary | Lenwood Elementary | Montara Elementary |
| Skyline North Elementary |